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IETF RFC 923
Assigned numbers
Last modified on Tuesday, September 22nd, 1992
 Permanent link to RFC 923
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Network Working Group J. Reynolds
Request for Comments: 923 J. Postel
ISI
Obsoletes RFCs: 900, 870, 820, October 1984
790, 776, 770, 762, 758, 755,
750, 739, 604, 503, 433, 349
Obsoletes IENs: 127, 117, 93
ASSIGNED NUMBERS
 Status of this Memo
This memo is an official status report on the numbers used in
protocols in the ARPA-Internet community. Distribution of this memo
is unlimited.
Introduction
This Network Working Group Request for Comments documents the
currently assigned values from several series of numbers used in
network protocol implementations. This RFC will be updated
periodically, and in any case current information can be obtained
from Joyce Reynolds. The assignment of numbers is also handled by
Joyce. If you are developing a protocol or application that will
require the use of a link, socket, port, protocol, network number,
etc., please contact Joyce to receive a number assignment.
Joyce Reynolds
USC - Information Sciences Institute
4676 Admiralty Way
Marina del Rey, California 90292-6695
Phone: (213) 822-1511
ARPA mail: JKREYNOLDS@USC-ISIF.ARPA
Most of the protocols mentioned here are documented in the RFC series
of notes. The more prominent and more generally used are documented
in the "Internet Protocol Transition Workbook" [33] or in the old
"ARPANET Protocol Handbook" [34] prepared by the NIC. Some of the
items listed are undocumented. Further information on protocols can
be found in the memo "Official ARPA-Internet Protocols" [89].
In all cases the name and mailbox of the responsible individual is
indicated. In the lists that follow, a bracketed entry, e.g.,
[nn,iii], at the right hand margin of the page indicates a reference
for the listed protocol, where the number ("nn") cites the document
and the letters ("iii") cites the person. Whenever possible, letters
are a NIC Ident as used in the WHOIS service.
Reynolds & Postel PAGE 1 
Assigned Numbers RFC 923
Network Numbers
ASSIGNED NETWORK NUMBERS
The network numbers listed here are used as internet addresses by the
Internet Protocol (IP) [33,77]. The IP uses a 32-bit address field
and divides that address into a network part and a "rest" or local
address part. The division takes 3 forms or classes.
The first type of address, or class A, has a 7-bit network number
and a 24-bit local address. The highest-order bit is set to 0.
This allows 128 class A networks.
1 2 3
0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
|0| NETWORK | Local Address |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
Class A Address
The second type of address, class B, has a 14-bit network number
and a 16-bit local address. The two highest-order bits are set to
1-0. This allows 16,384 class B networks.
1 2 3
0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
|1 0| NETWORK | Local Address |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
Class B Address
The third type of address, class C, has a 21-bit network number
and a 8-bit local address. The three highest-order bits are set
to 1-1-0. This allows 2,097,152 class C networks.
1 2 3
0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
|1 1 0| NETWORK | Local Address |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
Class C Address
Note: No addresses are allowed with the three highest-order bits
set to 1-1-1. These addresses (sometimes called "class D") are
reserved.
Reynolds & Postel PAGE 2
Assigned Numbers RFC 923
Network Numbers
One commonly used notation for internet host addresses divides the
32-bit address into four 8-bit fields and specifies the value of each
field as a decimal number with the fields separated by periods. This
is called the "dotted decimal" notation. For example, the internet
address of USC-ISIF.ARPA in dotted decimal is 010.002.000.052, or
10.2.0.52.
The dotted decimal notation will be used in the listing of assigned
network numbers. The class A networks will have nnn.rrr.rrr.rrr, the
class B networks will have nnn.nnn.rrr.rrr, and the class C networks
will have nnn.nnn.nnn.rrr, where nnn represents part or all of a
network number and rrr represents part or all of a local address.
There are four catagories of users of Internet Addresses: Research,
Defense, Government (Non-Defense), and Commercial. To reflect the
allocation of network identifiers among the categories, a
one-character code is placed to the left of the network number: R for
Research, D for Defense, G for Government, and C for Commercial (see
Appendix A for further details on this division of the network
identification).
Network numbers are assigned for networks that are connected to the
ARPA-Internet and DDN-Internet, and for independent networks that use
the IP family protocols (these are usually commercial). These
independent networks are marked with an asterisk preceding the
number.
The administrators of independent networks must apply separately for
permission to interconnect their network with either the
ARPA-Internet of the DDN-Internet. Independent networks need not be
listed in the working tables of either the ARPA-Internet or
DDN-Internet hosts or gateways.
For various reasons, the assigned numbers of networks are sometimes
changed. To ease the transition the old number will be listed for a
transition period as well. These "old number" entries will be marked
with a "T" following the number and preceding the name, and the
network name will be suffixed "-TEMP".
Special Addresses:
In certain contexts, it is useful to have fixed addresses with
functional significance rather than as identifiers of specific
hosts. When such usage is called for, the address zero is to be
interpreted as meaning "this", as in "this network". The address
of all ones are to be interpreted as meaning "all", as in "all
hosts". For example, the address 128.9.255.255 could be
Reynolds & Postel PAGE 3
Assigned Numbers RFC 923
Network Numbers
interpreted as meaning all hosts on the network 128.9. Or, the
address 0.0.0.37 could be interpreted as meaning host 37 on this
network.
Assigned Network Numbers
Class A Networks
* Internet Address Name Network References
- ---------------- ---- ------- ----------
000.rrr.rrr.rrr Reserved [JBP]
R 004.rrr.rrr.rrr SATNET Atlantic Satellite Network[DM11]
D 006.rrr.rrr.rrr T YPG-NET-TEMP Yuma Proving Grounds [7,BXA]
D 007.rrr.rrr.rrr T EDN-TEMP DCEC EDN [EC5]
R 008.rrr.rrr.rrr T BBN-NET-TEMP BBN Network [JSG5]
R 010.rrr.rrr.rrr ARPANET ARPANET [7,34,REK2]
D 011.rrr.rrr.rrr DODIIS DoD INTEL INFO SYS [AY7]
C 012.rrr.rrr.rrr ATT ATT, Bell Labs [MH13]
C 014.rrr.rrr.rrr PDN Public Data Network [REK4]
R 018.rrr.rrr.rrr T MIT-TEMP MIT Network [15,88,DDC2]
D 022.rrr.rrr.rrr DISNET DISNET [FLM2]
D 023.rrr.rrr.rrr DDN-TC-NET DDN-TestCell-Network [DH17]
D 024.rrr.rrr.rrr MINET MINET [7,DHH]
D 026.rrr.rrr.rrr MILNET MILNET [FLM2]
R 027.rrr.rrr.rrr T NOSC-LCCN-TEMPNOSC / LCCN [RH6]
R 028.rrr.rrr.rrr WIDEBAND Wide Band Satellite Net [CJW2]
R 032.rrr.rrr.rrr UCL-TAC UCL TAC [PK]
R 036.rrr.rrr.rrr T SU-NET-TEMP Stanford University Network[JCM]
R 039.rrr.rrr.rrr T SRINET-TEMP SRI Local Network [GEOF]
R 041.rrr.rrr.rrr BBN-TEST-A BBN-GATE-TEST-A [RH6]
R 044.rrr.rrr.rrr AMPRNET Amateur Radio Experiment Net[HM]
001.rrr.rrr.rrr-003.rrr.rrr.rrr Unassigned [JBP]
005.rrr.rrr.rrr Unassigned [JBP]
009.rrr.rrr.rrr Unassigned [JBP]
013.rrr.rrr.rrr Unassigned [JBP]
015.rrr.rrr.rrr-017.rrr.rrr.rrr Unassigned [JBP]
019.rrr.rrr.rrr-021.rrr.rrr.rrr Unassigned [JBP]
025.rrr.rrr.rrr Unassigned [JBP]
029.rrr.rrr.rrr-031.rrr.rrr.rrr Unassigned [JBP]
033.rrr.rrr.rrr-035.rrr.rrr.rrr Unassigned [JBP]
037.rrr.rrr.rrr-038.rrr.rrr.rrr Unassigned [JBP]
040.rrr.rrr.rrr Unassigned [JBP]
042.rrr.rrr.rrr-043.rrr.rrr.rrr Unassigned [JBP]
045.rrr.rrr.rrr-126.rrr.rrr.rrr Unassigned [JBP]
127.rrr.rrr.rrr Reserved [JBP]
Reynolds & Postel PAGE 4
Assigned Numbers RFC 923
Network Numbers
Class B Networks
* Internet Address Name Network References
- ---------------- ---- ------- ----------
128.000.rrr.rrr Reserved [JBP]
R 128.001.rrr.rrr BBN-TEST-B BBN-GATE-TEST-B [RH6]
R 128.002.rrr.rrr CMU-NET CMU-Ethernet [HDW2]
R 128.003.rrr.rrr LBL-CSAM LBL-CSAM-RESEARCH [JS38]
R 128.004.rrr.rrr DCNET LINKABIT DCNET [59,DLM1]
R 128.005.rrr.rrr FORDNET FORD DCNET [59,DLM1]
R 128.006.rrr.rrr RUTGERS RUTGERS [CLH3]
R 128.007.rrr.rrr DFVLR DFVLR DCNET Network [HDC1]
R 128.008.rrr.rrr UMDNET Univ of Maryland DCNET [59,DLM1]
R 128.009.rrr.rrr ISI-NET USC-ISI Local Network [CMR]
R 128.010.rrr.rrr PURDUE-CS Purdue Computer Science [CAK]
R 128.011.rrr.rrr BBN-CRONUS BBN DOS Project [55,WIM]
R 128.012.rrr.rrr SU-NET Stanford University Net [JCM]
D 128.013.rrr.rrr MATNET Mobile Access Terminal Net[DM11]
R 128.014.rrr.rrr BBN-SAT-TEST BBN SATNET Test Net [DM11]
R 128.015.rrr.rrr S1NET LLL-S1-NET [EAK1]
R 128.016.rrr.rrr UCLNET University College London [PK]
D 128.017.rrr.rrr MATNET-ALT Mobile Access Terminal Alt[DM11]
R 128.018.rrr.rrr SRINET SRI Local Network [GEOF]
D 128.019.rrr.rrr EDN DCEC EDN [EC5]
D 128.020.rrr.rrr BRLNET BRLNET [7,MJM2]
R 128.021.rrr.rrr SF-PR-1 SF-1 Packet Radio Network [JEM]
R 128.022.rrr.rrr SF-PR-2 SF-2 Packet Radio Network [JEM]
R 128.023.rrr.rrr BBN-PR BBN Packet Radio Network [JAW3]
R 128.024.rrr.rrr ROCKWELL-PR Rockwell Packet Radio Net [EHP]
D 128.025.rrr.rrr BRAGG-PR Ft. Bragg Packet Radio Net [JEM]
D 128.026.rrr.rrr SAC-PR SAC Packet Radio Network [BG5]
D 128.027.rrr.rrr DEMO-PR-1 Demo-1 Packet Radio Network[LCS]
D 128.028.rrr.rrr C3-PR Testbed Development PR NET [BG5]
R 128.029.rrr.rrr MITRE MITRE Cablenet [94,APS]
R 128.030.rrr.rrr MIT-NET MIT Local Network [DDC2]
R 128.031.rrr.rrr MIT-RES MIT Research Network [DDC2]
R 128.032.rrr.rrr UCB-ETHER UC Berkeley Ethernet [DAM1]
R 128.033.rrr.rrr BBN-NET BBN Network [JSG5]
R 128.034.rrr.rrr NOSC-LCCN NOSC / LCCN [RH6]
R 128.035.rrr.rrr CISLTESTNET1 Honeywell [46,47,RK1]
R 128.036.rrr.rrr YALE-NET YALE NET [108,JO5]
D 128.037.rrr.rrr YPG-NET Yuma Proving Grounds [7,BXA]
D 128.038.rrr.rrr NSWC-NET NSWC Local Host Net [RLH2]
R 128.039.rrr.rrr NTANET NDRE-TIU [PS3]
R 128.040.rrr.rrr UCL-NET-A UCL [RC7]
R 128.041.rrr.rrr UCL-NET-B UCL [RC7]
R 128.042.rrr.rrr RICE-NET Rice University [59,108,PGM]
R 128.043.rrr.rrr CRANET Canada REF ARPANET [7,JR17]
Reynolds & Postel PAGE 5
Assigned Numbers RFC 923
Network Numbers
D 128.044.rrr.rrr WSMR-NET White Sands Network [TBS]
C 128.045.rrr.rrr DEC-WRL-NET DEC WRL Network [108,RKJ2]
128.046.rrr.rrr Unassigned Unassigned [JBP]
D 128.047.rrr.rrr TACTNET Tactical Packet Net [6,KTP]
C*128.048.rrr.rrr UCDLA-NET UCDLA MELVYL Network [7,CXL]
R 128.049.rrr.rrr NOSC-ETHER NOSC Ethernet [108,RLB3]
G 128.050.rrr.rrr COINS Network COINS On-Line Intel Net [RLS6]
G 128.051.rrr.rrr COINSTNET COINS TEST NETWORK [RLS6]
R 128.052.rrr.rrr MIT-AI-NET MIT AI NET [108,MDC]
R 128.053.rrr.rrr SAC-PR-2 SAC PRNET Number 2 [BG5]
R 128.054.rrr.rrr UCSD UC San Diego Network [108,GH29]
128.055.rrr.rrr-128.063.rrr.rrr Unassigned [JBP]
R 128.064.rrr.rrr-128.079.rrr.rrr Net Dynamics Exp [ZSU]
128.080.rrr.rrr-191.254.rrr.rrr Unassigned [JBP]
191.255.rrr.rrr Reserved [JBP]
Class C Networks
* Internet Address Name Network References
- ---------------- ---- ------- ----------
192.000.000.rrr Reserved [JBP]
R 192.000.001.rrr BBN-TEST-C BBN-GATE-TEST-C [RH6]
192.000.002.rrr-192.000.255.rrr Unassigned [JBP]
R 192.001.000.rrr-192.003.255.rrr BBN local networks [SGC]
R*192.004.000.rrr-192.004.255.rrr Bellcore-Net [108,PXK]
R 192.005.001.rrr CISLHYPERNET Honeywell [RK1]
R 192.005.002.rrr WISC Univ of Wisconsin Madison [RS23]
C 192.005.003.rrr HP-DESIGN-AIDS HP Design Aids [NXK]
C 192.005.004.rrr HP-TCG-UNIX Hewlett Packard TCG Unix [NXK]
R 192.005.005.rrr DEC-MRNET DEC Marlboro Ethernet [101,KWP]
R 192.005.006.rrr DEC-MRRAD DEC Marlboro Developmt [101,KWP]
R 192.005.007.rrr CIT-CS-NET Caltech-CS-Net [107,DSW]
R 192.005.008.rrr WASHINGTON University of Washington [JAR4]
R 192.005.009.rrr AERONET Aerospace Labnet [2,LCN]
R 192.005.010.rrr ECLNET USC-ECL-CAMPUS-NET [MAB4]
R 192.005.011.rrr CSS-RING SEISMIC-RESEARCH-NET [RR2]
R 192.005.012.rrr UTAH-NET UTAH-COMPUTER-SCIENCE-NET [RF1]
R 192.005.013.rrr GSWDNET Compion Network [108,FAS]
R 192.005.014.rrr RAND-NET RAND Network [108,JDG]
R 192.005.015.rrr NYU-NET NYU Network [EF5]
R 192.005.016.rrr LANL-LAND Los Alamos Dev LAN [108,JC11]
R 192.005.017.rrr NRL-NET Naval Research Lab [AP]
R 192.005.018.rrr IPTO-NET ARPA-IPTO Office Net [REK2]
R 192.005.019.rrr UCIICS UCI-ICS Res Net [MTR]
R 192.005.020.rrr CISLTTYNET Honeywell [RK1]
D 192.005.021.rrr BRLNET1 BRLNET1 [7,MJM2]
D 192.005.022.rrr BRLNET2 BRLNET2 [7,MJM2]
D 192.005.023.rrr BRLNET3 BRLNET3 [7,MJM2]
Reynolds & Postel PAGE 6
Assigned Numbers RFC 923
Network Numbers
D 192.005.024.rrr BRLNET4 BRLNET4 [7,MJM2]
D 192.005.025.rrr BRLNET5 BRLNET5 [7,MJM2]
D 192.005.026.rrr NSRDCOA-NET NSRDC Office Auto Net [TC4]
D 192.005.027.rrr DTNSRDC-NET DTNSRDC-NET [TC4]
R 192.005.028.rrr RSRE-NULL RSRE-NULL [NM]
R 192.005.029.rrr RSRE-ACC RSRE-ACC [NM]
R 192.005.030.rrr RSRE-PR RSRE-PR [NM]
R*192.005.031.rrr SIEMENS-NET Siemens Research Network [PXN]
R 192.005.032.rrr CISLTESTNET2 Honeywell [46,47,RK1]
R 192.005.033.rrr CISLTESTNET3 Honeywell [27,28,RK1]
R 192.005.034.rrr CISLTESTNET4 Honeywell [27,28,RK1]
R 192.005.035.rrr RIACS USRA [108,RLB1]
R 192.005.036.rrr CORNELL-CS CORNELL CS Research [108,DK2]
R 192.005.037.rrr UR-CS-NET U of R CS 3Mb Net [58,LB1]
R 192.005.038.rrr SRI-C3ETHER SRI-AITAD C3ETHERNET [108,BG5]
R 192.005.039.rrr UDEL-EECIS Udel EECIS LAN [102,CC2]
R 192.005.040.rrr PUCC-NET-A PURDUE Comp Cntr Net [JRS8]
D 192.005.041.rrr WISLAN WIS Research LAN [94,JRM1]
D 192.005.042.rrr AFDSC-HYPER AFDSC Hypernet [MCSJ]
R 192.005.043.rrr CUCSNET Columbia CS Net [108,LH2]
R 192.005.044.rrr Farber-PC-Net Farber PC Network [DJF]
R 192.005.045.rrr AIDS-NET AI&DS Network [108,HA]
R 192.005.046.rrr NTA-RING NDRE-RING [PS3]
R 192.005.047.rrr NSRDC NSRDC [PXM]
R 192.005.048.rrr PURDUE-CS-IL Purdue CS IL Ethernet [108,CAK]
R 192.005.049.rrr UCSF Univ of Calif, San Fran[102,TF6]
R 192.005.050.rrr CTH-CS-NET Chalmers CSN Net [102,UXB]
R 192.005.051.rrr Theorynet Cornell Theory Center [108,AB13]
R 192.005.052.rrr NLM-ETHER NLM-LHNCBC-ETHERNET [77,JA1]
R 192.005.053.rrr UR-CS-ETHER U of R CS 10Mb Net [58,LB1]
R 192.005.054.rrr AERO-A6 Aerospace [2,LCN]
R*192.005.055.rrr UCLA-CECS UCLA-CECS Network [108,RBW]
C 192.005.056.rrr TARTAN-NET Tartan Labs [SXB]
R 192.005.057.rrr UDEL-CC UDEL Comp Center [102,RR18]
R 192.005.058.rrr CSNET-PDN CSNET X.25 Network [52,RDR4]
R*192.005.059.rrr Inria SM90 Inria GIP SM-90 [MXS]
R*192.005.060.rrr SM90 X1 Inria SM-90 exp. 1 [MXS]
R*192.005.061.rrr SM90 X2 Inria SM-90 exp. 2 [MXS]
R*192.005.062.rrr LITP SM90 LITP SM-90 [MXS]
R 192.005.064.rrr AMES-NAS-NET NASA ARC NAS LAN [101,MF31]
R 192.005.065.rrr NPRDC-Ether NPRDC TRCF Ethernet [LRB]
R 192.005.066.rrr HARV-NET Harvard Comp Sci Net [SXB1]
R 192.005.067.rrr CECOM-ETHER CECOM ADDCOMPE ETHER [102,GIH]
R 192.005.068.rrr AERO-130 AEROSPACE-130 [LCN]
R 192.005.069.rrr UIUC-NET Univ of IL at Urbana [108,AXC]
G 192.005.070.rrr CELAN COINS Exper. LAN [MXM]
R 192.005.071.rrr SAC-ETHER SAC C3 Ethernet [108,BG5]
R*192.005.072.rrr-192.005.087.rrr U Chicago [TXN]
Reynolds & Postel PAGE 7
Assigned Numbers RFC 923
Network Numbers
R 192.005.088.rrr YALE-EE-NET YALE-EE-NET [108,AG22]
R 192.005.089.rrr UTEXAS-NET U. Texas Austin Net [108,JSQ1]
R 192.005.090.rrr HARV-ETHER Harvard CS Ethernet [SXB1]
R 192.005.091.rrr PURDUE-ECN1 Purdue ECN [30,49,GG11]
R 192.005.092.rrr BRAGG-ETHER SRI Bragg Ether [103,GIH]
R 192.005.093.rrr SRI-DEMO SRI Ether Demo [103,GIH]
R*192.005.094.rrr SDCRDCF-10MB SDC R&D primary net [108,DJV1]
R*192.005.095.rrr SDCRDCF-3MB SDC R&D old net [58,DJV1]
R*192.005.096.rrr UBC-CS-NET UBC Comp Sci Net [108,PXB]
R*192.005.097.rrr UCLA-CS-LNI UCLA CS LNI Network [RBW]
R*192.005.098.rrr UCLA-PIC UCLA PIC Network [108,RBW]
R 192.005.099.rrr SPACENET S-1 Workstation Network[108,TXW]
R 192.005.100.rrr PURDUE-ECN2 Purdue ECN [30,49,GG11]
R 192.005.101.rrr PUCC-GW-NET Purdue Gateway Network [JRS8]
R 192.005.102.rrr PUCC-RHF-NET PUCC RHF Based Net [JRS8]
C*192.005.103.rrr TYM-NTD-NET Tymnet NTD Ethernet [SMF]
R 192.005.104.rrr TMC-INET Thinking Machines [108,BJN1]
R 192.005.105.rrr CCA-POND CCA Ethernet1 (POND) [108,AL6]
C*192.005.106.rrr BITSTREAM Bitstream Type Foundry [108,PXA]
R*192.005.107.rrr PASC-ETHER IBM PASC Ethernet [108,GXL]
R*192.005.108.rrr PASC-BB IBM PASC Broadband [50,GXL]
192.005.109.rrr-192.005.255.rrr Unassigned [JBP]
C*192.006.000.rrr-192.006.255.rrr Hewlett Packard [AXG]
C*192.007.000.rrr-192.007.255.rrr Computer Consoles, Inc. [RA11]
C*192.008.000.rrr-192.008.255.rrr Spartacus Computers, Inc. [SXM]
C*192.009.000.rrr-192.009.255.rrr SUN Microsystem, Inc. [WNJ]
C*192.010.000.rrr-192.010.040.rrr Symbolics, Inc. [CH2]
R 192.010.041.rrr SCRC-ETHERNET SCRC ETHERNET [108,CH2]
C*192.010.042.rrr-192.010.255.rrr Symbolics, Inc. [CH2]
C*192.011.000.rrr-192.011.255.rrr ATT, Bell Labs [MH12]
C*192.012.000.rrr CADMUS-ETHERNET CADMUS-NET [MS9]
C*192.012.001.rrr CADMUS-EXP-1 CADMUS-NET-EXP-1 [MS9]
C*192.012.002.rrr CADMUS-EXP-2 CADMUS-NET-EXP-2 [MS9]
C*192.012.003.rrr FLAIR Fairchild AI Lab Net [108,AMS1]
C*192.012.004.rrr SCG-NET Hughes SCG Net [108,MXP]
R 192.012.005.rrr AIC-LISPMS SRI-AIC-LispMachNet [108,PM4]
R 192.012.006.rrr NPS-C2 NPS-C2 [108,AW9]
R 192.012.007.rrr NYU-CS-ETHER NYU CompSci Ethernet [108,LOU]
D 192.012.008.rrr PICANET1 Picatinny Arsenal LAN1[108,RFD1]
R 192.012.009.rrr CADRE-NET Decision Systems Lab [SM6]
R 192.012.010.rrr CORNELL-ENG Cornell-Engineering [108,BN9]
R 192.012.011.rrr MIT-36 MIT Building 36 [108,RH60]
R 192.012.012.rrr WISC-ETHER Wisconsin Ether Net [108,CBP]
R 192.012.013.rrr JHU-NET1 JHU-NET1 [108,MO14]
R 192.012.014.rrr JHU-NET2 JHU-NET2 [108,MO14]
R 192.012.015.rrr BROOKNET BNL Brooknet III [108,GC]
R 192.012.016.rrr PRMNET SRI-SURAN-EN [108,BP17]
G 192.012.017.rrr LLL-TIS-NET LLL-TIS-NET [101,105,GP10]
Reynolds & Postel PAGE 8
Assigned Numbers RFC 923
Network Numbers
R 192.012.018.rrr CIT-CS-10NET Caltech 10Meg EtherNet[107,AD22]
R 192.012.019.rrr CIT-NET Caltech Campus Net [107,AD22]
R 192.012.020.rrr CIT-SUN-NET Caltech Sun Net [107,AD22]
R 192.012.021.rrr CIT-PHYSCOMP Caltech Phys Comp Net [107,AD22]
R 192.012.022.rrr UTCSRES UTCS Net Research [108,JSQ1]
R 192.012.023.rrr UTCSTTY UTCS TTY Kludgenet [108,JSQ1]
R 192.012.024.rrr MICANET MITRE (Experimental) [JN2]
R 192.012.025.rrr CSS-GRAMINAE CSS Workstation Net [53,RR2]
R 192.012.026.rrr BBN-NETR Net-R Testbed at BBN [91,CP10]
R 192.012.027.rrr UR-LASER UR Laser Energetics [108,WXL]
192.012.028.rrr-192.012.255.rrr Unassigned [JBP]
D 192.013.000.rrr-192.014.255.rrr DODIIS Subnetworks [AY5]
192.015.000.rrr-223.255.254.rrr Unassigned [JBP]
223.255.255.rrr Reserved [JBP]
Other Reserved Internet Addresses
* Internet Address Name Network References
- ---------------- ---- ------- ----------
224.000.000.000-255.255.255.255 Reserved [JBP]
Reynolds & Postel PAGE 9
Assigned Numbers RFC 923
Network Numbers
Network Totals
Assigned for the ARPA-Internet and the DDN-Internet
Class A B C Total
Research 6 53 854 913
Defense 5 12 523 540
Government 0 2 2 4
Commercial 2 1 3 6
Total 13 68 1382 1463
Allocated for Internet and Independent Uses
Class A B C Total
Research 6 53 1139 1198
Defense 5 12 523 540
Government 0 2 2 4
Commercial 2 2 1545 1549
Total 13 69 3209 3291
Maximum Allowed
Class A B C Total
Research 8 1024 65536 66568
Defense 24 3072 458752 461848
Government 24 3072 458752 461848
Commercial 74 9214 1114137 1123394
Total 126 16382 2097150 2113658
Reynolds & Postel PAGE 10
Assigned Numbers RFC 923
Version Numbers
ASSIGNED VERSION NUMBERS
In the Internet Protocol (IP) [33,77] there is a field to identify
the version of the internetwork general protocol. This field is 4
bits in size.
Assigned Internet Version Numbers
Decimal Keyword Version References
------- ------- ------- ----------
0 Reserved [JBP]
1-3 Unassigned [JBP]
4 IP Internet Protocol [31,71,JBP]
5 ST ST Datagram Mode [34,JWF]
6-14 Unassigned [JBP]
15 Reserved [JBP]
Reynolds & Postel PAGE 11
Assigned Numbers RFC 923
Protocol Numbers
ASSIGNED PROTOCOL NUMBERS
In the Internet Protocol (IP) [33,77] there is a field, called
Protocol, to identify the the next level protocol. This is an 8 bit
field.
Assigned Internet Protocol Numbers
Decimal Keyword Protocol References
------- ------- -------- ----------
0 Reserved [JBP]
1 ICMP Internet Control Message [69,JBP]
2 Unassigned [JBP]
3 GGP Gateway-to-Gateway [45,MB]
4 Unassigned [JBP]
5 ST Stream [37,JWF]
6 TCP Transmission Control [33,78,JBP]
7 UCL UCL [PK]
8 EGP Exterior Gateway Protocol [93,DLM1]
9 IGP any private interior gateway [JBP]
10 BBN-RCC-MON BBN RCC Monitoring [SGC]
11 NVP-II Network Voice Protocol [16,SC3]
12 PUP PUP [11,HGM]
13 ARGUS ARGUS [RWS4]
14 EMCON EMCON [BN7]
15 XNET Cross Net Debugger [43,JFH2]
16 CHAOS Chaos [NC3]
17 UDP User Datagram [33,76,JBP]
18 MUX Multiplexing [17,JBP]
19 DCN-MEAS DCN Measurement Subsystems [DLM1]
20 HMP Host Monitoring [4,RH6]
21 PRM Packet Radio Measurement [ZSU]
22 XNS-IDP XEROX NS IDP [109,LLG]
23 TRUNK-1 Trunk-1 [BML]
24 TRUNK-2 Trunk-2 [BML]
25 LEAF-1 Leaf-1 [BML]
26 LEAF-2 Leaf-2 [BML]
27 RDP Reliable Data Protocol [106,RH6]
28-60 Unassigned [JBP]
61 any host internal protocol [JBP]
62 CFTP CFTP [38,HCF2]
63 any local network [JBP]
64 SAT-EXPAK SATNET and Backroom EXPAK [DM11]
65 MIT-SUBNET MIT Subnet Support [NC3]
66 RVD MIT Remote Virtual Disk Protocol [MBG]
67 IPPC Internet Pluribus Packet Core [DM11]
68 any distributed file system [JBP]
69 SAT-MON SATNET Monitoring [DM11]
Reynolds & Postel PAGE 12
Assigned Numbers RFC 923
Protocol Numbers
70 Unassigned [JBP]
71 IPCV Internet Packet Core Utility [DM11]
72-75 Unassigned [JBP]
76 BR-SAT-MON Backroom SATNET Monitoring [DM11]
77 Unassigned [JBP]
78 WB-MON WIDEBAND Monitoring [DM11]
79 WB-EXPAK WIDEBAND EXPAK [DM11]
80-254 Unassigned [JBP]
255 Reserved [JBP]
Reynolds & Postel PAGE 13
Assigned Numbers RFC 923
Port Numbers
ASSIGNED PORT NUMBERS
Ports are used in the TCP [33,78] to name the ends of logical
connections which carry long term conversations. For the purpose of
providing services to unknown callers, a service contact port is
defined. This list specifies the port used by the server process as
its contact port. The contact port is sometimes called the
"well-known port".
To the extent possible, these same port assignments are used with the
UDP [33,76].
The assigned ports use a small portion of the possible port numbers.
The assigned ports have all except the low order eight bits cleared
to zero. The low order eight bits are specified here.
Port Assignments:
Decimal Keyword Description References
------- ------- ----------- ----------
0 Reserved [JBP]
1-4 Unassigned [JBP]
5 RJE Remote Job Entry [13,34,JBP]
7 ECHO Echo [67,JBP]
9 DISCARD Discard [66,JBP]
11 USERS Active Users [62,JBP]
13 DAYTIME Daytime [65,JBP]
15 NETSTAT Who is up or NETSTAT [JBP]
17 QUOTE Quote of the Day [72,JBP]
19 CHARGEN Character Generator [64,JBP]
20 FTP File Transfer [Default Data] [33,68,JBP]
21 FTP File Transfer [Control] [33,68,JBP]
23 TELNET Telnet [84,JBP]
25 SMTP Simple Mail Transfer [33,74,JBP]
27 NSW-FE NSW User System FE [18,RHT]
29 MSG-ICP MSG ICP [60,RHT]
31 MSG-AUTH MSG Authentication [60,RHT]
33 Unassigned [JBP]
35 any printer server [JBP]
37 TIME Time [80,JBP]
39 RLP Resource Location Protocol [1,MA]
41 GRAPHICS Graphics [34,98,JBP]
42 NAMESERVER Host Name Server [33,71,JBP]
43 NICNAME Who Is [33,42,JAKE]
44 MPM-FLAGS MPM FLAGS Protocol [JBP]
45 MPM Message Processing Module [recv] [70,JBP]
46 MPM MPM [default send] [76,JBP]
47 NI-FTP NI FTP [104,SK]
Reynolds & Postel PAGE 14
Assigned Numbers RFC 923
Port Numbers
49 LOGIN Login Host Protocol [PHD1]
51 LA-MAINT IMP Logical Address Maintenance [57,AGM]
53 DOMAIN Domain Name Server [PM1]
55 ISI-GL ISI Graphics Language [10,RB6]
57 any private terminal access [JBP]
59 any private file service [JBP]
61 NI-MAIL NI MAIL [8,SK]
63 VIA-FTP VIA Systems - FTP [DXD]
65 Unassigned [JBP]
67 Unassigned [JBP]
69 TFTP Trivial File Transfer [33,87,KRS]
71 NETRJS Remote Job Service [12,34,RTB]
72 NETRJS Remote Job Service [12,34,RTB]
73 NETRJS Remote Job Service [12,34,RTB]
74 NETRJS Remote Job Service [12,34,RTB]
75 any private dial out service [JBP]
77 any private RJE service [JBP]
79 FINGER Finger [34,40,KLH]
81 HOSTS2 Name Server [EAK1]
83 HOSTS2-NS MIT ML Device [DPR]
85 MIT-ML-DEV MIT ML Device [DPR]
87 MIT-ML-DEV Any Private Terminal Link [JBP]
89 SU-MIT-TG SU/MIT Telnet Gateway [MRC]
91 MIT-DOV MIT Dover Spooler [EBM]
93 DCP Device Control Protocol [DT15]
95 SUPDUP SUPDUP [21,MRC]
97 SWIFT-RVF Swift Remote Vitural File Protocol [MXR]
99 METAGRAM Metagram Relay [GEOF]
101 HOSTNAME NIC Host Name Server [33,41,JAKE]
103 Unassigned [JBP]
105 CSNET-NS Mailbox Name Nameserver [96,MHS1]
107 RTELNET Remote Telnet Service [73,JBP]
109 POP Post Office Protocol [110,JKR1]
111 SUNRPC SUN Remote Procedure Call [DXG]
113 AUTH Authentication Service [99,MCSJ]
115 SFTP Simple File Transfer Protocol [54,MXL]
116 Unassigned [JBP]
117 UUCP-PATH UUCP Path Service [32,MAE]
118-129 Unassigned [JBP]
131 Unassigned [JBP]
132-223 Reserved [JBP]
224-241 Unassigned [JBP]
243 SUR-MEAS Survey Measurement [9,AV]
245 LINK LINK [14,RDB2]
247-255 Unassigned [JBP]
Reynolds & Postel PAGE 15
Assigned Numbers RFC 923
Autonomous System Numbers
ASSIGNED AUTONOMOUS SYSTEM NUMBERS
The Exterior Gateway Protocol (EGP) [93,90] specifies that groups of
gateways may form autonomous systems. The EGP provides a 16-bit
field for identifying such systems. The values of this field are
registered here.
Autonomous System Numbers:
Decimal Name References
------- ---- ----------
0 Reserved [JBP]
1 The BBN Gateways [MB]
2 DCN-AS [DLM1]
3 The MIT Gateways [LM8]
4 ISI-AS [JKR1]
5 Symbolics [CH2]
6 HIS-Multics [BIM,RK1]
7 UK-MOD [RNM1]
8 RICE-AS [PGM]
9 CMU-ROUTER [MA]
10 CSNET-PDN-AS [RDR4]
11 HARVARD [SXB1]
12 NYU-DOMAIN [EF5]
13 BRL-AS [RBN1]
14 COLUMBIA-GW [BC14]
15 NET DYNAMICS EXP [ZSU]
16 LBL [WG]
17 PURDUE-CS [KCS1]
18 UTEXAS [JSQ1]
19 CSS-DOMAIN [RR2]
20 UR [LB16]
21 RAND [JDG]
22 NOSC [RLB3]
23 RIACS-AS [DG28]
24 AMES-NAS-GW [MF31]
25 UCB [MK17]
26 CORNELL [BN9]
27 UMDNET [JWO1]
28 DFVLR-SYS [HDC1]
29 YALE-AS [JG46]
30 SRI-AICnet [PM4]
31 CIT-CS [AD22]
32 STANFORD [PA5]
33 DEC-WRL-AS [RKJ2]
34 UDEL-EECIS [NMM]
35 MICATON [JN2]
36-65534 Unassigned [JBP]
Reynolds & Postel PAGE 16
Assigned Numbers RFC 923
Autonomous System Numbers
65535 Reserved [JBP]
Reynolds & Postel PAGE 17
Assigned Numbers RFC 923
ARPANET Logical Addresses
ASSIGNED ARPANET LOGICAL ADDRESSES
The ARPANET facility for "logical addressing" is described in
RFC 878 [56]. A portion of the possible logical addresses are
reserved for standard uses.
There are 49,152 possible logical host addresses. Of these, 256 are
reserved for assignment to well-known functions. Assignments for
well-known functions are made by Joyce Reynolds. Assignments for
other logical host addresses are made by the NIC.
Logical Address Assignments:
Decimal Description References
------- ----------- ----------
0 Reserved [JBP]
1 The BBN Gateways [MB]
2-255 Unassigned [JBP]
256 Reserved [JBP]
Reynolds & Postel PAGE 18
Assigned Numbers RFC 923
ARPANET Link Numbers
ASSIGNED ARPANET LINK NUMBERS
The word "link" here refers to a field in the original ARPANET
Host/IMP interface leader. The link was originally defined as an
8-bit field. Later specifications defined this field as the
"message-id" with a length of 12 bits. The name link now refers to
the high order 8 bits of this 12-bit message-id field. The Host/IMP
interface is defined in BBN Report 1822 [7].
The low-order 4 bits of the message-id field are called the sub-link.
Unless explicitly specified otherwise for a particular protocol,
there is no sender to receiver significance to the sub-link. The
sender may use the sub-link in any way he chooses (it is returned in
the RFNM by the destination IMP), the receiver should ignore the
sub-link.
Link Assignments:
Decimal Description References
------- ----------- ----------
0 Reserved [JBP]
1-149 Unassigned [JBP]
150 Xerox NS IDP [109,LLG]
151 Unassigned [JBP]
152 PARC Universal Protocol [11,HGM]
153 TIP Status Reporting [JGH]
154 TIP Accounting [JGH]
155 Internet Protocol [regular] [33,77,JBP]
156-158 Internet Protocol [experimental] [33,77,JBP]
159 Figleaf Link [JBW1]
160-195 Unassigned [JBP]
196-247 Experimental Protocols [JBP]
248-255 Network Maintenance [JGH]
Reynolds & Postel PAGE 19
Assigned Numbers RFC 923
IEEE 802 SAP Numbers
IEEE 802 SAP NUMBERS OF INTEREST
Many of the networks of all classes are IEEE 802 Networks. These
systems use a Service Access Point field in much the same way the
ARPANET uses the "link" field. For further information and SAP
number assignments, please contact: Mr. Maris Graube, Chairman, IEEE
802, c/o Tektronix, P.O. Box 500, D/S 50-473, Beaverton,
Oregon, 97077.
Assignments:
Service Access Point Description References
-------------------- ----------- ----------
decimal binary
96 01100000 DOD IP [33,76,JBP]
Reynolds & Postel PAGE 20
Assigned Numbers RFC 923
Ethernet Numbers
ETHERNET NUMBERS OF INTEREST
Many of the networks of all classes are Ethernets (10Mb) or
Experimental Ethernets (3Mb). These systems use a message "type"
field in much the same way the ARPANET uses the "link" field.
If you need an Ethernet number, contact the XEROX Corporation, Office
Products Division, Network Systems Administration Office, 333 Coyote
Hill Road, Palo Alto, California, 94304.
Assignments:
Ethernet Exp. Ethernet Description References
------------- ------------- ----------- ----------
decimal Hex decimal octal
512 0200 512 1000 XEROX PUP [1,HGM]
1536 0600 1536 3000 XEROX NS IDP [109,LLG]
2048 0800 513 1001 DOD IP [33,77,JBP]
2049 0801 - - X.75 Internet [LLG]
2050 0802 - - NBS Internet [LLG]
2051 0803 - - ECMA Internet [LLG]
2052 0804 - - Chaosnet [LLG]
2053 0805 - - X.25 Level 3 [LLG]
2054 0806 - - ARP [61,DCP1]
2076 081C - - Symbolics Private [DCP1]
32771 8003 - - Cronus VLN [100,DT15]
32772 8004 - - Cronus Direct [100,DT15]
32774 8006 - - Nestar [LLG]
32784 8010 - - Excelan [---]
32821 8035 - - Reverse ARP [36,JCM]
36864 9000 - - Loopback [LLG]
The standard for transmission of IP datagrams over Ethernets and
Experimental Ethernets is specified in RFC 894 [48] and RFC 895 [63]
respectively.
Reynolds & Postel PAGE 21
Assigned Numbers RFC 923
Address Resolution Protocol
ASSIGNED ADDRESS RESOLUTION PROTOCOL PARAMETERS
The Address Resolution Protocol (ARP) specified in RFC 826 [61] has
several parameters. The assigned values for these parameters are
listed here.
Assignments:
Operation Code (op)
1 REQUEST
2 REPLY
Hardware Type (hrd)
Type Description References
---- ----------- ----------
1 Ethernet (10Mb) [JBP]
2 Experimental Ethernet (3Mb) [JBP]
3 Amateur Radio AX.25 [PXK]
Protocol Type (pro)
Use the same codes as listed in the section called "Ethernet
Numbers of Interest".
Reynolds & Postel PAGE 22
Assigned Numbers RFC 923
Public Data Network Numbers
ASSIGNED PUBLIC DATA NETWORK NUMBERS
One of the Internet Class A Networks is the international system of
Public Data Networks. This section lists the mapping between the
Internet Addresses and the Public Data Network Addresses (X.121).
Assignments:
Internet Public Data Net Description References
--------------- ----------------- ----------- ----------
014.000.000.000 Reserved [JBP]
014.000.000.001 3110-317-00035 00 PURDUE-TN [CAK]
014.000.000.002 3110-608-00027 00 UWISC-TN [CAK]
014.000.000.003 3110-302-00024 00 UDEL-TN [CAK]
014.000.000.004 2342-192-00149 23 UCL-VTEST [PK]
014.000.000.005 2342-192-00300 23 UCL-TG [PK]
014.000.000.006 2342-192-00300 25 UK-SATNET [PK]
014.000.000.007 3110-608-00024 00 UWISC-IBM [MHS1]
014.000.000.008 3110-213-00045 00 RAND-TN [MO2]
014.000.000.009 2342-192-00300 23 UCL-CS [PK]
014.000.000.010 3110-617-00025 00 BBN-VAN-GW [JD21]
014.000.000.011 2405-015-50300 00 CHALMERS [UXB]
014.000.000.012 3110-713-00165 00 RICE [PAM6]
014.000.000.013 3110-415-00261 00 DECWRL [PAM6]
014.000.000.014 3110-408-00051 00 IBM-SJ [SA1]
014.000.000.015 2041-117-01000 00 SHAPE [PG3]
014.000.000.016 2628-153-90075 00 DFVLR [HDC1]
014.000.000.017 3110-213-00032 00 ISI-VAN-GW [JD21]
014.000.000.018-014.255.255.254 Unassigned [JBP]
014.255.255.255 Reserved [JBP]
The standard for transmission of IP datagrams over the Public Data
Network is specified in RFC 877 [52].
Reynolds & Postel PAGE 23
Assigned Numbers RFC 923
Telnet Options
ASSIGNED TELNET OPTIONS
The Telnet Protocol has a number of options that may be negotiated.
These options are listed here. "Official ARPA-Internet
Protocols" [89] provides more detailed information.
Options Name References
------- ----------------------- ----------
0 Binary Transmission [82,JBP]
1 Echo [83,JBP]
2 Reconnection [5,JBP]
3 Suppress Go Ahead [86,JBP]
4 Approx Message Size Negotiation [34,JBP]
5 Status [85,JBP]
6 Timing Mark [87,JBP]
7 Remote Controlled Trans and Echo [79,JBP]
8 Output Line Width [3,JBP]
9 Output Page Size [4,JBP]
10 Output Carriage-Return Disposition [22,JBP]
11 Output Horizontal Tab Stops [26,JBP]
12 Output Horizontal Tab Disposition [25,JBP]
13 Output Formfeed Disposition [23,JBP]
14 Output Vertical Tabstops [28,JBP]
15 Output Vertical Tab Disposition [27,JBP]
16 Output Linefeed Disposition [24,JBP]
17 Extended ASCII [105,JBP]
18 Logout [19,MRC]
19 Byte Macro [29,JBP]
20 Data Entry Terminal [31,JBP]
22 SUPDUP [21,20,MRC]
22 SUPDUP Output [39,MRC]
23 Send Location [51,EAK1]
24 Terminal Type [97,MHS1]
25 End of Record [75,JBP]
255 Extended-Options-List [81,JBP]
Reynolds & Postel PAGE 24
Assigned Numbers RFC 923
Machine Names
OFFICIAL MACHINE NAMES
These are the Official Machine Names as they appear in the NIC Host
Table. Their use is described in RFC 810 [35].
ALTO
AMDAHL-V7
BURROUGHS-B/29
C/30
C/70
CADLINC
CADR
CDC-173
DEC-10
DEC-1050
DEC-1080
DEC-1090
DEC-1090B
DEC-1090T
DEC-2020T
DEC-2040
DEC-2040T
DEC-2050T
DEC-2060
DEC-2060T
DEC-FALCON
DPS8/70M
FOONLY-F2
FOONLY-F3
FOONLY-F4
H-316
H-60/68
H-68
H-68/80
H-89
HONEYWELL-DPS-8/70M
IBM-158
IBM-360/67
IBM-370/3033
IBM-4341
IBM-PC
IMSAI
K102
LSI-11
LSI-11/23
M6800
MAXC
MLC
Reynolds & Postel PAGE 25
Assigned Numbers RFC 923
Machine Names
NAS-AS/5
ONYX-09001
ONYX-28000
PDP-11
PDP-11/34
PDP-11/40
PDP-11/44
PDP-11/45
PDP-11/50
PDP-11/70
PERQ
PLURIBUS
ROLM-1666
SMI
SUN-150
SYMBOLICS-3600
UNIVAC-1100
VAX-11/730
VAX-11/750
VAX-11/780
VAX-11/785
XEROX-8010
Reynolds & Postel PAGE 26
Assigned Numbers RFC 923
System Names
OFFICIAL SYSTEM NAMES
These are the Official System Names as they appear in the NIC Host
Table. Their use is described in RFC 810 [35].
ASP
AUGUST
BKY
CCP
DOS/360
ELF
EPOS
EXEC-8
GCOS
GPOS
ITS
INTERCOM
INTERLISP
KRONOS
MCP
MOS
MPX-RT
MULTICS
MVT
NOS
NOS/BE
OS/MVS
OS/MVT
RIG
RSX-11M
RT11
SCOPE
SIGNAL
SINTRAN
TENEX
TOPS-10
TOPS-20
TSS
UNIX
VM/370
VM/CMS
VMS
WAITS
XDE
Reynolds & Postel PAGE 27
Assigned Numbers RFC 923
Protocol Names
OFFICIAL PROTOCOL AND SERVICE NAMES
These are the Official Protocol Names. Their use is described in
greater detail in RFC 810 [35].
ARGUS - ARGUS Protocol
AUTH - Authentication Service
BBN-RCC-MON - BBN RCC Monitoring
BR-SAT-MON - Backroom SATNET Monitoring
CFTP - CFTP
CHAOS - CHAOS Protocol
CHARGEN - Character Generator Protocol
CLOCK - DCNET Time Server Protocol
CSNET-NS - CSNET Mailbox Nameserver Protocol
DAYTIME - Daytime Protocol
DCN-MEAS - DCN Measurement Subsystems Protocol
DCP - Device Control Protocol
DISCARD - Discard Protocol
DOMAIN - Domain Name Server
ECHO - Echo Protocol
EGP - Exterior Gateway Protocol
EMCON - Emission Control Protocol
FINGER - Finger Protocol
FTP - File Transfer Protocol
GGP - Gateway Gateway Protocol
GRAPHICS - Graphics Protocol
HMP - Host Monitoring Protocol
HOST2-NS - Host2 Name Server
HOSTNAME - Hostname Protocol
ICMP - Internet Control Message Protocol
IGP - Interior Gateway Protocol
IP - Internet Protocol
IPCU - Internet Packet Core Utility
IPPC - Internet Pluribus Packet Core
ISI-GL - ISI Graphics Language Protocol
LA-MAINT - IMP Logical Address Maintenance
LEAF-1 - Leaf-1 Protocol
LEAF-2 - Leaf-2 Protocol
LINK - Link Protocol
LOGIN - Login Host Protocol
METAGRAM - Metagram Relay
MIT-ML-DEV - MIT ML Device
MIT-SUBNET - MIT Subnet Support
MIT-DOV - MIT Dover Spooler
MPM - Internet Message Protocol
MPM-FLAGS - MP Flags Protocol
MSG-AUTH - MSG Authentication Protocol
MSG-ICP - MSG ICP Protocol
Reynolds & Postel PAGE 28
Assigned Numbers RFC 923
Protocol Names
MUX - Multiplexing Protocol
NAMESERVER - Host Name Server
NETED - Network Standard Text Editor
NETRJS - Remote Job Service
NI-FTP - NI File Transfer Protocol
NI-MAIL - NI Mail Protocol
NICNAME - Who Is Protocol
NSW-FE - NSW User System Front End
NVP-II - Network Voice Protocol
POP - Post Office Protocol
PRM - Packet Radio Measurement
PUP - PUP Protocol
QUOTE - Quote of the Day Protocol
RDP - Reliable Data Protocol
RJE - Remote Job Entry
RLP - Resource Location Protocol
RTELNET - Remote Telnet Service
RVD - Remote Virtual Disk Protocol
SAT-EXPAK - Satnet and Backroom EXPAK
SAT-MON - SATNET Monitoring
SFTP - Simple File Transfer Protocol
SMTP - Simple Mail Transfer Protocol
ST - Stream Protocol
SU-MIT-TG - SU/MIT Telnet Gateway Protocol
SUNRPC - SUN Remote Procedure Call
SUPDUP - SUPDUP Protocol
SUR-MEAS - Survey Measurement
SWIFT-RVF - Remote Virtual File Protocol
TCP - Transmission Control Protocol
TELNET - Telnet Protocol
TFTP - Trivial File Transfer Protocol
TIME - Time Server Protocol
TRUNK-1 - Trunk-1 Protocol
TRUNK-2 - Trunk-2 Protocol
UCL - University College London Protocol
UDP - User Datagram Protocol
USERS - Active Users Protocol
UUCP-PATH - UUCP Path Service
VIA-FTP - VIA Systems-File Transfer Protocol
WB-EXPAK - Wideband EXPAK
WB-MON - Wideband Monitoring
XNET - Cross Net Debugger
XNS-IDP - Xerox NS IDP
Reynolds & Postel PAGE 29
Assigned Numbers RFC 923
Terminal Type Names
OFFICIAL TERMINAL TYPE NAMES
These are the Official Terminal Type Names. Their use is described
in RFC 884 [97].
ADDS-CONSUL-980
ADDS-REGENT-100
ADDS-REGENT-20
ADDS-REGENT-200
ADDS-REGENT-25
ADDS-REGENT-40
ADDS-REGENT-60
AMPEX-DIALOGUE-80
ANDERSON-JACOBSON-630
ANDERSON-JACOBSON-832
ANDERSON-JACOBSON-841
ANN-ARBOR-AMBASSADOR
ARDS
BITGRAPH
BUSSIPLEXER
CALCOMP-565
CDC-456
CDI-1030
CDI-1203
COMPUCOLOR-II
CONCEPT-100
DATA-100
DATA-GENERAL-6053
DATAGRAPHIX-132A
DATAMEDIA-1520
DATAMEDIA-1521
DATAMEDIA-2500
DATAMEDIA-3025
DATAMEDIA-3025A
DATAMEDIA-3045
DATAMEDIA-3045A
DATAMEDIA-DT80/1
DATAPOINT-2200
DATAPOINT-3000
DATAPOINT-3300
DATAPOINT-3360
DEC-DECWRITER-I
DEC-DECWRITER-II
DEC-GT40
DEC-GT40A
DEC-GT42
DEC-LA120
DEC-LA30
Reynolds & Postel PAGE 30
Assigned Numbers RFC 923
Terminal Type Names
DEC-LA36
DEC-LA38
DEC-VT05
DEC-VT100
DEC-VT132
DEC-VT50
DEC-VT50H
DEC-VT52
DELTA-DATA-5000
DELTA-TELTERM-2
DIABLO-1620
DIABLO-1640
DIGILOG-333
DTC-300S
EDT-1200
EXECUPORT-4000
EXECUPORT-4080
GENERAL-TERMINAL-100A
GSI
HAZELTINE-1500
HAZELTINE-1510
HAZELTINE-1520
HAZELTINE-2000
HP-2621
HP-2621A
HP-2621P
HP-2626
HP-2626A
HP-2626P
HP-2640
HP-2640A
HP-2640B
HP-2645
HP-2645A
HP-2648
HP-2648A
HP-2649
HP-2649A
IBM-3101
IBM-3101-10
IBM-3275-2
IBM-3276-2
IBM-3276-3
IBM-3276-4
IBM-3277-2
IBM-3278-2
IBM-3278-3
IBM-3278-4
Reynolds & Postel PAGE 31
Assigned Numbers RFC 923
Terminal Type Names
IBM-3278-5
IBM-3279-2
IBM-3279-3
IMLAC
INFOTON-100
INFOTONKAS
ISC-8001
LSI-ADM-3
LSI-ADM-31
LSI-ADM-3A
LSI-ADM-42
MEMOREX-1240
MICROBEE
MICROTERM-ACT-IV
MICROTERM-ACT-V
MICROTERM-MIME-1
MICROTERM-MIME-2
NETRONICS
NETWORK-VIRTUAL-TERMINAL
OMRON-8025AG
PERKIN-ELMER-1100
PERKIN-ELMER-1200
PLASMA-PANEL
QUME-SPRINT-5
SOROC
SOROC-120
SOUTHWEST-TECHNICAL-PRODUCTS-CT82
SUPERBEE
SUPERBEE-III-M
TEC
TEKTRONIX-4010
TEKTRONIX-4012
TEKTRONIX-4013
TEKTRONIX-4014
TEKTRONIX-4023
TEKTRONIX-4024
TEKTRONIX-4025
TEKTRONIX-4027
TELERAY-1061
TELERAY-3700
TELERAY-3800
TELETEC-DATASCREEN
TELETERM-1030
TELETYPE-33
TELETYPE-35
TELETYPE-37
TELETYPE-38
TELETYPE-43
Reynolds & Postel PAGE 32
Assigned Numbers RFC 923
Terminal Type Names
TELEVIDEO-912
TELEVIDEO-920
TELEVIDEO-920B
TELEVIDEO-920C
TELEVIDEO-950
TERMINET-1200
TERMINET-300
TI-700
TI-733
TI-735
TI-743
TI-745
TYCOM
UNIVAC-DCT-500
VIDEO-SYSTEMS-1200
VIDEO-SYSTEMS-5000
VISUAL-200
XEROX-1720
ZENITH-H19
ZENTEC-30
Reynolds & Postel PAGE 33
Assigned Numbers RFC 923
Documents
DOCUMENTS
[1] Accetta, Mike, "Resource Location Protocol", RFC 887,
Carnegie-Mellon University, December 1983.
[2] Aerospace, Internal Report, ATM-83(3920-01)-3, 1982.
[3] ARPANET Protocol Handbook, "Telnet Output Line Width Option",
NIC 20196, November 1973.
[4] ARPANET Protocol Handbook, "Telnet Output Page Size Option",
NIC 20197, November 1973.
[5] ARPANET Protocol Handbook, "Telnet Reconnection Option",
NIC 15391, August 1973.
[6] BBN Proposal No. P83-COM-40, "Packet Switched Overlay to
Tactical Multichannel/Satellite Systems".
[7] BBN, "Specifications for the Interconnection of a Host and an
IMP", Report 1822, Bolt Beranek and Newman, Cambridge,
Massachusetts, revised, December 1981.
[8] Bennett, C., "A Simple NIFTP-Based Mail System", IEN 169,
University College, London, January 1981.
[9] Bhushan, A., "A Report on the Survey Project", RFC 530,
NIC 17375, June 1973.
[10] Bisbey, R., D. Hollingworth, and B. Britt, "Graphics Language
(version 2.1)", ISI/TM-80-18, USC/Information Sciences
Institute, July 1980.
[11] Boggs, D., J. Shoch, E. Taft, and R. Metcalfe, "PUP: An
Internetwork Architecture", XEROX Palo Alto Research Center,
CSL-79-10, July 1979; also in IEEE Transactions on
Communication, Volume COM-28, Number 4, April 1980.
[12] Braden, R., "NETRJS Protocol", RFC 740, NIC 42423,
November 1977.
[13] Bressler, B., "Remote Job Entry Protocol", RFC 407, NIC
12112, October 72.
[14] Bressler, R., "Inter-Entity Communication -- An Experiment",
RFC 441, NIC 13773, January 1973.
Reynolds & Postel PAGE 34
Assigned Numbers RFC 923
Documents
[15] Clark, D., "Revision of DSP Specification", Local Network
Note 9, Laboratory for Computer Science, MIT, June 1977.
[16] Cohen, D., "Specifications for the Network Voice Protocol",
RFC 741, ISI/RR 7539, USC/Information Sciences Institute,
March 1976.
[17] Cohen, D. and J. Postel, "Multiplexing Protocol", IEN 90,
USC/Information Sciences Institute, May 1979.
[18] COMPASS, "Semi-Annual Technical Report", CADD-7603-0411,
Massachusetts Computer Associates, 4 March 1976. Also as,
"National Software Works, Status Report No. 1,"
RADC-TR-76-276, Volume 1, September 1976. And COMPASS. "Second
Semi-Annual Report," CADD-7608-1611, Massachusetts Computer
Associates, August 1976.
[19] Crispin, Mark, "Telnet Logout Option", Stanford University-AI,
RFC 727, April 1977.
[20] Crispin, Mark, "Telnet SUPDUP Option", Stanford University-AI,
RFC 736, October 1977.
[21] Crispin, M., "SUPDUP Protocol", RFC 734, NIC 41953,
October 1977.
[22] Crocker, D., "Telnet Output Carriage-Return Disposition
Option", RFC 652, October 1974.
[23] Crocker, D., "Telnet Output Formfeed Disposition Option",
RFC 655, October 1974.
[24] Crocker, D., "Telnet Output Linefeed Disposition", RFC 658,
October 1974.
[25] Crocker, D., "Telnet Output Horizontal Tab Disposition
Option", RFC 654,
[26] Crocker, D., "Telnet Output Horizontal Tabstops Option",
RFC 653, October 1974.
[27] Crocker, D., "Telnet Output Vertical Tab Disposition Option",
RFC 657, October 1974.
[28] Crocker, D., "Telnet Output Vertical Tabstops Option",
RFC 656, October 1974.
Reynolds & Postel PAGE 35
Assigned Numbers RFC 923
Documents
[29] Crocker, D.H. and R.H. Gumpertz, "Revised Telnet Byte Marco
Option", RFC 735, November 1977.
[30] Croft, W. J., "Unix Networking at Purdue", USENIX Conference,
1980.
[31] Day, John, "Telnet Data Entry Terminal Option", RFC 732,
September 1977.
[32] Elvy, Marc A., "UUCP Path Service", RFC 915, Harvard
University, October 1984.
[33] Feinler, E., "Internet Protocol Transition Workbook", Network
Information Center, SRI International, March 1982.
[34] Feinler, E. and J. Postel, eds., "ARPANET Protocol Handbook",
NIC 7104, for the Defense Communications Agency by SRI
International, Menlo Park, California, Revised January 1978.
[35] Feinler, E., K. Harrenstien, and Z. Su, "DoD Internet Host
Table Specification", RFC 810, SRI International, March 1982.
[36] Finlayson, R., T. Mann, J. Mogul, and M. Theimer, "A Reverse
Address Resolution Protocol", RFC 903, Stanford University,
June 1984.
[37] Forgie, J., "ST - A Proposed Internet Stream Protocol",
IEN 119, M.I.T. Lincoln Laboratory, September 1979.
[38] Forsdick, H., "CFTP", Network Message, Bolt Beranek and
Newman, January 1982.
[39] Greenberg, B., "Telnet SUPDUP-OUTPUT Option", RFC 749,
MIT-Multics, September 1978.
[40] Harrenstien, K., "Name/Finger", RFC 742, NIC 42758,
December 1977.
[41] Harrenstien, K., V. White, and E. Feinler, "Hostnames Server",
RFC 811, SRI International, March 1982.
[42] Harrenstien, K., and V. White, "Nicname/Whois", RFC 812, SRI
International, March 1982.
[43] Haverty, J., "XNET Formats for Internet Protocol Version 4",
IEN 158, October 1980.
Reynolds & Postel PAGE 36
Assigned Numbers RFC 923
Documents
[44] Hinden, Robert M., "A Host Monitoring Protocol", RFC 869, Bolt
Beranek and Newman, December 1983.
[45] Hinden, R., and A. Sheltzer, "The DARPA Internet Gateway",
RFC 823, September 1982.
[46] Honeywell CISL, Internal Document, "AFSDSC Hyperchannel RPQ
Project Plan".
[47] Honeywell CISL, Internal Document, "Multics MR11 PFS".
[48] Hornig, C., "A Standard for the Transmission of IP Datagrams
over Ethernet Networks, RFC 894, Symbolics, April 1984.
[49] Hwang, Kai, W. J. Croft and G. H. Goble, "A Unix-Based Local
Computer Network with Load Balancing", IEEE Computer,
April 1982.
[50] IBM Corporation, "Technical Reference Manual for the IBM PC
Network", 6322505, IBM, Boca Raton, Florida, 1984.
[51] Killian, E., "Telnet Send-Location Option", RFC 779,
April 1981.
[52] Korb, John T., "A Standard for the Transmission of IP
Datagrams Over Public Data Networks", RFC 877, Purdue
University, September 1983.
[53] Leffler, Samuel J., et al., "4.2bsd Network Implementation
Notes", University of California, Berkeley, July 1983.
[54] Lottor, Mark K., "Simple File Transfer Protocol", RFC 913,
M.I.T., September 1984.
[55] Macgregor, W., and D. Tappan, "The CRONUS Virtual Local
Network", RFC 824, Bolt Beranek and Newman, August 1982.
[56] Malis, Andrew G. "The ARPANET 1822L Host Access Protocol",
RFC 878, BBN-CC, Cambridge, December 1983.
[57] Malis, A., "Logical Addressing Implementation Specification",
BBN Report 5256, pp 31-36, May 1983.
[58] Metcalfe, R.M. and D.R. Boggs, "Ethernet: Distributed Packet
Switching for Local Computer Networks", Communications of the
ACM, 19 (7), pp 395-402, July 1976.
Reynolds & Postel PAGE 37
Assigned Numbers RFC 923
Documents
[59] Mills, D., "DCN Local Network Protocols", RFC 891, Linkabit,
December 1983.
[60] NSW Protocol Committee, "MSG: The Interprocess Communication
Facility for the National Software Works", CADD-7612-2411,
Massachusetts Computer Associates, BBN 3237, Bolt Beranek and
Newman, Revised December 1976.
[61] Plummer, D., "An Ethernet Address Resolution Protocol or
Converting Network Protocol Addresses to 48-bit Ethernet
Addresses for Transmission on Ethernet Hardware", RFC 826,
MIT-LCS, November 1982.
[62] Postel, J., "Active Users", RFC 866, USC/Information Sciences
Institute, May 1983.
[63] Postel, J., "A Standard for the Transmission of IP Datagrams
over Experimental Ethernet Networks, RFC 895, USC/Information
Sciences Institute, April 1984.
[64] Postel, J., "Character Generator Protocol", RFC 864,
USC/Information Sciences Institute, May 1983.
[65] Postel, J., "Daytime Protocol", RFC 867, USC/Information
Sciences Institute, May 1983.
[66] Postel, J., "Discard Protocol", RFC 863, USC/Information
Sciences Institute, May 1983.
[67] Postel, J., "Echo Protocol", RFC 862, USC/Information Sciences
Institute, May 1983.
[68] Postel, J., "File Transfer Protocol", RFC 765, IEN 149,
USC/Information Sciences Institute, June 1980.
[69] Postel, J., "Internet Control Message Protocol - DARPA
Internet Program Protocol Specification", RFC 792,
USC/Information Sciences Institute, September 1981.
[70] Postel, J., "Internet Message Protocol", RFC 759, IEN 113,
USC/Information Sciences Institute, August 1980.
[71] Postel, J., "Name Server", IEN 116, USC/Information Sciences
Institute, August 1979.
[72] Postel, J., "Quote of the Day Protocol", RFC 865,
USC/Information Sciences Institute, May 1983.
Reynolds & Postel PAGE 38
Assigned Numbers RFC 923
Documents
[73] Postel, J., "Remote Telnet Service", RFC 818, USC/Information
Sciences Institute, November 1982.
[74] Postel, J., "Simple Mail Transfer Protocol", RFC 821,
USC/Information Sciences Institute, August 1982.
[75] Postel, J., "Telnet End of Record Option", RFC 885,
USC/Information Sciences Institute, December 1983.
[76] Postel, J., "User Datagram Protocol", RFC 768 USC/Information
Sciences Institute, August 1980.
[77] Postel, J., ed., "Internet Protocol - DARPA Internet Program
Protocol Specification", RFC 791, USC/Information Sciences
Institute, September 1981.
[78] Postel, J., ed., "Transmission Control Protocol - DARPA
Internet Program Protocol Specification", RFC 793,
USC/Information Sciences Institute, September 1981.
[79] Postel, J. and D. Crocker, "Remote Controlled Transmission and
Echoing Telnet Option", RFC 726, March 1977.
[80] Postel, J., and K. Harrenstien, "Time Protocol", RFC 868,
USC/Information Sciences Institute, May 1983.
[81] Postel, J. and J. Reynolds, "Telnet Extended Options - List
Option", RFC 861, USC/Information Sciences Institute,
May 1983.
[82] Postel, J. and J. Reynolds, "Telnet Binary Transmission",
RFC 856, USC/Information Sciences Institute, May 1983.
[83] Postel, J. and J. Reynolds, "Telnet Echo Option", RFC 857,
USC/Information Sciences Institute, May 1983.
[84] Postel, J., and J. Reynolds, "Telnet Protocol Specification",
RFC 854, USC/Information Sciences Institute, May 1983.
[85] Postel, J. and J. Reynolds, "Telnet Status Option", RFC 859,
USC/Information Sciences Institute, May 1983.
[86] Postel, J. and J. Reynolds, "Telnet Suppress Go Ahead Option",
RFC 858, USC/Information Sciences Institute, May 1983.
[87] Postel, J. and J. Reynolds, "Telnet Timing Mark Option",
RFC 860, USC/Information Sciences Institute, May 1983.
Reynolds & Postel PAGE 39
Assigned Numbers RFC 923
Documents
[88] Reed, D., "Protocols for the LCS Network", Local Network Note
3, Laboratory for Computer Science, MIT, November 1976.
[89] Reynolds, J. and J. Postel, "Official ARPA-Internet
Protocols", RFC 924, USC/Information Sciences Institute,
October 1984.
[90] Rosen, E., "Exterior Gateway Protocol" RFC 827, Bolt Beranek
and Newman, October 1982.
[91] Saltzer, J.H., "Design of a Ten-megabit/sec Token Ring
Network", MIT Laboratory for Computer Science Technical
Report.
[92] Scott, Walter S., "2.9bsd/TIS Network Implementation",
Lawrence Livermore National Laboratory, September 1984.
[93] Seamonson, L.J., and E.C. Rosen, "STUB" Exterior Gateway
Protocol", RFC 888, BBN Communications Corporation,
January 1984.
[94] Skelton, A., S. Holmgren, and D. Wood, "The MITRE Cablenet
Project", IEN 96, April 1979.
[95] Sollins, K., "The TFTP Protocol (Revision 2)", RFC 783,
MIT/LCS, June 1981.
[96] Solomon, M., L. Landweber, and D. Neuhengen, "The CSNET Name
Server", Computer Networks, v.6, n.3, pp. 161-172, July 1982.
[97] Solomon, M., and E. Wimmers, "Telnet Terminal Type Option",
RFC 884, University of Wisconsin, Madison, December 1983.
[98] Sproull, R., and E. Thomas, "A Networks Graphics Protocol",
NIC 24308, August 1974.
[99] StJohns, Mike, "Authentication Service", RFC 912, TPSC,
September 1984.
[100] Tappan, D.C., "The CRONUS Virtual Local Network", RFC 824,
Bolt Beranek and Newman, Inc., August 1982.
[101] "The Ethernet, a Local Area Network: Data Link Layer and
Physical Layer Specification", AA-K759B-TK, Digital Equipment
Corporation, Maynard, MA.
Reynolds & Postel PAGE 40
Assigned Numbers RFC 923
Documents
[102] "The Ethernet - A Local Area Network", Version 1.0, Digital
Equipment Corporation, Intel Corporation, Xerox Corporation,
September 1980.
[103] "The Ethernet, A Local Area Network: Data Link Layer and
Physical Layer Specifications", Digital, Intel and Xerox,
November 1982.
[104] The High Level Protocol Group, "A Network Independent File
Transfer Protocol", INWG Protocol Note 86, December 1977.
[105] Tovar, "Telnet Extended ASCII Option", RFC 698, Stanford
University-AI, July 1975.
[106] Velten, David, Robert Hinden, and Jack Sax, "Reliable Data
Protocol", RFC 908, BBN Communications Corporation, July 1984.
[107] Whelan, D., "The Caltech Computer Science Department Network",
5052:DF:82, Caltech Computer Science Department, 1982.
[108] XEROX, "The Ethernet, A Local Area Network: Data Link Layer
and Physical Layer Specification", X3T51/80-50, Xerox
Corporation, Stamford, CT., October 1980.
[109] XEROX, "Internet Transport Protocols", XSIS 028112, Xerox
Corporation, Stamford, Connecticut, December 1981.
[110] Reynolds, J., "Post Office Protocol", RFC 918,
USC/Information Sciences Institute, October 1984.
Reynolds & Postel PAGE 41
Assigned Numbers RFC 923
People
PEOPLE
[AB13] Alison Brown CORNELL alison@CORNELL.ARPA
[AD22] Arlene DesJardins CIT arlene@CIT-20.ARPA
[AG22] Alfred Ganz YALE GANZ@YALE.ARPA
[AGM] Andy Malis BBN Malis@BBN-UNIX.ARPA
[AL6] Alexis Layton CCA alex@CCA-UNIX.ARPA
[APS] Anita Skelton MITRE skelton@MITRE.ARPA
[AP] Alan Parker NRL parker@NRL-CSS.ARPA
[AV] Al Vezza MIT AV@MIT-XX.ARPA
[AW9] Albert Wong NPS AWong@USC-ISI.ARPA
[AXC] Albert Cheng UIUC acheng.uiuc@CSNET-RELAY.ARPA
[AXG] Atul Garg HP ---none---
[AY5] Akiharu Yasuda DODIIS dia@PAXRV-NES.ARPA
[BC14] Robert Cattani Columbia Cattani@COLUMBIA-20.ARPA
[BG5] Bob Gilligan SRI Gilligan@SRI-KL.ARPA
[BIM] Benson I. Margulies Honeywell Margulies@CISL.ARPA
[BJN1] Bruce Nemnich TMC BJN@MIT-MC.ARPA
[BML] Barry Leiner ARPA Leiner@USC-ISIA.ARPA
[BN7] Bich T. Nguyen SRI btn@SRI-TSC.ARPA
[BN9] Bill Nesheim CORNELL bill@CORNELL.ARPA
[BP17] Bobbi Phillips SRI bobbi@SRI-TSC.ARPA
[BXA] Bobby W. Allen YPG WYMER@OFFICE.ARPA
[CAK] Chris Kent PURDUE Kent@PURDUE.ARPA
[CBP] Brian Pinkerton Wisconson Brian@WISC-RSCH.ARPA
[CC2] Chase Cotton UDEL Cotton@UDEL-EE.ARPA
[CH2] Charles Hornig Symbolics Hornig@MIT-MC.ARPA
[CJW2] Cliff Weinstein LL cjw@LL-11.ARPA
[CLH3] Charles Hedrick RUTGERS Hedrick@RUTGERS.ARPA
[CMR] Craig Rogers ISI Rogers@USC-ISIB.ARPA
[CP10] Craig Partridge BBN craig@BBN-UNIX.ARPA
[CXL] Clifford A. Lynch UCB UCDLA@BBNCCY.ARPA
[DAM1] David A. Mosher UCB Mosher@BERKELEY.ARPA
[DCP1] David Plummer MIT DCP@MIT-MC.ARPA
[DT15] Dan Tappan BBN Tappan@BBNG.ARPA
[DDC2] Dave Clark MIT-LCS Clark@MIT-MULTICS.ARPA
[DG28] David L. Gehrt RIACS Dave@RIACS.ARPA
[DH17] Douglas Hirsch BBN hirsch@BBN-UNIX.ARPA
[DHH] Doug Hunt BBN DHunt@BBN-UNIX.ARPA
[DJF] David J. Farber U of Del. Farber@UDEL-EE.ARPA
[DJV1] Darrel J. Van Buer SDC vanbuer@ISI-VAXA.ARPA
[DK2] Dean B. Krafft CORNELL Dean@CORNELL.ARPA
[DLM1] David Mills LINKABIT Mills@USC-ISID.ARPA
[DM11] Dale McNeill BBN mcneill@BBN-UNIX.ARPA
[DPR] David Reed MIT-LCS DPR@MIT-XX.ARPA
[DSW] Dan Whelan Caltech Dan@CIT-20.ARPA
[DXD] Dennis J.W. Dube VIA Systems ---none---
[DXG] David Goldberg SMI sun!dg@BERKELEY.ARPA
Reynolds & Postel PAGE 42
Assigned Numbers RFC 923
People
[EAK1] Earl Killian LLL EAK@MIT-MC.ARPA
[EBM] Eliot Moss MIT EBM@MIT-XX.ARPA
[EC5] Ed Cain DCEC cain@EDN-UNIX.ARPA
[EF5] Ed Franceschini NYU Franceschini@NYU.ARPA
[EHP] Ed Perry SRI Perry@SRI-KL.ARPA
[FAS] Fred Segovich Compion fred@COMPION-VMS.ARPA
[FLM2] F. Lee Maybaum MILNET Maybaum@DDN1
[GEOF] Geoff Goodfellow SRI Geoff@DARCOM-KA.ARPA
[GC] Graham Campbell BNL gc@BNL.ARPA
[GG11] George Goble Purdue ghg@PURDUE.ARPA
[GH29] Gregory Hidley UCSD hidley@NOSC.ARPA
[GIH] Glenn I. Hastie II SRI Hastie@SRI-SPAM.ARPA
[GP10] George Pavel LLNL liaison@LLL-TIS.ARPA
[GXL] Guillermo A. Loyola IBM Loyola%ibm-sj@CSNET-RELAY.ARPA
[HA] Howard Alt AIDS alt@AIDS-UNIX.ARPA
[HCF2] Harry Forsdick BBN Forsdick@BBNG.ARPA
[HDC1] Horst Clausen DFVLR Clausen@USC-ISID.ARPA
[HDW2] Howard Wactlar CMU Wactlar@CMU-CS-A.ARPA
[HGM] Hallam Murray PARC Murray.PA@PARC-MAXC.ARPA
[HM] Hank Magnuski --- JOSE@PARC-MAXC.ARPA
[JA1] Jules P. Aronson NLM Aronson@NLM-MCS.ARPA
[JAKE] Jake Feinler SRI Feinler@SRI-KL.ARPA
[JAR4] Jim Rees WASHINGTON JIM@WASHINGTON.ARPA
[JAW3] Jil Westcott BBN Westcott@BBNF.ARPA
[JBP] Jon Postel ISI Postel@USC-ISIF.ARPA
[JBW1] Joseph Walters, Jr. BBN JWalters@BBN-UNIX.ARPA
[JC11] Jim Clifford LANL jrc@LANL.ARPA
[JCM] Jeff Mogul STANFORD Mogul@SU-SCORE.ARPA
[JD21] Jonathan Dreyer BBN JDreyer@BBN-UNIX.ARPA
[JDG] Jim Guyton RAND guyton@RAND-UNIX.ARPA
[JEM] Jim Mathis SRI Mathis@SRI-KL.ARPA
[JFH2] Jack Haverty BBN Haverty@BBN-UNIX.ARPA
[JGH] Jim Herman BBN Herman@BBN-UNIX.ARPA
[JG46] Jonathan Goodman YALE Goodman@YALE.ARPA
[JKR1] Joyce K. Reynolds ISI JKREYNOLDS@USC-ISIF.ARPA
[JN2] Jose Nabielsky MITRE jnd@MITRE.ARPA
[JO5] John O'Donnell YALE ODonnell@YALE.ARPA
[JR17] John L. Robinson CANADA DREO-CRC@USC-ISID.ARPA
[JRM1] John Mullen MITRE Mullen@MITRE.ARPA
[JRS8] Jeffrey R. Schwab PURDUE jrs@PURDUE.ARPA
[JS38] Joseph Sventek LBL j@LBL-CSAM.ARPA
[JSG5] Jon Goodridge BBN jsg@BBN-UNIX.ARPA
[JSQ1] John S. Quarterman UT jsq@UT-SALLY.ARPA
[JWF] Jim Forgie LL Forgie@BBNC.ARPA
[JWO1] James W. O'Toole UMD james@MARYLAND.ARPA
[KCS1] Kevin C. Smallwood PURDUE kcs@PURDUE.ARPA
[KLH] Ken Harrenstien SRI KLH@NIC.ARPA
[KRS] Karen Sollins MIT Sollins@MIT-XX.ARPA
Reynolds & Postel PAGE 43
Assigned Numbers RFC 923
People
[KTP] Kenneth T. Pogran BBN Pogran@BBN-UNIX.ARPA
[KWP] Kevin W. Paetzold DEC Paetzold@DEC-MARLBORO.ARPA
[LB1] Liudvikas Bukys ROCHESTER Bukys@ROCHESTER.ARPA
[LCN] Lou Nelson AEROSPACE Lou@AEROSPACE.ARPA
[LCS] Lou Schreier SRI Schreier@USC-ISID.ARPA
[LH2] Lincoln Hu COLUMBIA Hu@COLUMBIA-20.ARPA
[LLG] Larry Garlick XEROX Garlick@PARC-MAXC.ARPA
[LOU] Lou Salkind NYU Salkind@NYU.ARPA
[LM8] Liza Martin MIT-LCS Martin@MIT-XX.ARPA
[LRB] Larry Bierma NPRDC Bierma@NPRDC.ARPA
[MA] Mike Accetta CMU Accetta@CMU-CS-A.ARPA
[MAB4] Mark Brown USC Mark@USC-ECLB.ARPA
[MAE] Marc A. Elvy Harvard Elvy@HARVARD.ARPA
[MBG] Michael Greenwald MIT-LCS Greenwald@MIT-MULTICS.ARPA
[MB] Michael Brescia BBN Brescia@BBN-UNIX.ARPA
[MCSJ] Mike StJohns AFDSC StJohns@MIT-MULTICS.ARPA
[MDC] Martin D. Connor MIT AI Marty@MIT-MC.ARPA
[MF31] Martin J. Fouts NASA-Ames nep.fouts@AMES-AMELIA.ARPA
[MH12] Mark Horton ATT mark@BERKELEY.ARPA
[MHS1] Marvin Solomon WISC Solomon@UWISC.ARPA
[MJM2] Mike Muuss BRL Mike@BRL.ARPA
[MK17] Mike Karels UCB Karels@UCB-ARPA.ARPA
[MO2] Michael O'Brien RAND OBrien@RAND-UNIX.ARPA
[MO14] Michael O'Donnel JHU Odonnel%jhu@CSNET-RELAY.ARPA
[MRC] Mark Crispin Stanford Admin.MRC@SU-SCORE.ARPA
[MS9] Martin Schoffstall CADMUS cadmus!schoff@SEISMO.ARPA
[MTR] Marshall Rose Irvine MRose.UCI@RAND-RELAY.ARPA
[MXL] Mark Lottor MIT MKL@MIT-XX.ARPA
[MXM] Marc M. Meilleur COINS COINS@USC-ISI.ARPA
[MXP] Michael K. Peterson HUGHES scgvaxd!mkp@CIT-VAX.ARPA
[MXR] Mark A. Rosenstein MIT mar@MIT-BORAX.ARPA
[MXS] Marc Shapiro INRIA Shapiro@CMU-CS-C.ARPA
[NC3] J. Noel Chiappa MIT JNC@MIT-XX.ARPA
[NMM] Mike Minnich UDELEE MMinnich@UDEL-EE.ARPA
[NXK] Neil Katin HP hpda.neil@BERKELEY.ARPA
[PA5] Philip Almquist Stanford Almquist@SU-SCORE.ARPA
[PAM6] Paul McNabb RICE pam@PURDUE.ARPA
[PG3] Phill Gross LINKABIT gross@DCN7.ARPA
[PGM] Paul G. Milazzo RICE Milazzo@RICE.ARPA
[PHD1] Pieter Ditmars BBN pditmars@BBN-UNIX.ARPA
[PK] Peter Kirstein UCL Kirstein@USC-ISIA.ARPA
[PM1] Paul Mockapetris ISI Mockapetris@USC-ISIF.ARPA
[PM4] Paul Martin SRI PMartin@SRI-AI.ARPA
[PS3] Paal Spilling NDRE Paal@NTA-VAX.ARPA
[PXA] Phillip G. Apley Bitstream PGA@MIT-OZ.ARPA
[PXB] Pat Boyle UBC boyle.ubc@CSNET-RELAY.ARPA
[PXK] Philip R. Karn, Jr. BCR allegra!karn@BERKELEY.ARPA
[PXM] Pat Marques NSRDC marques@DTRC.ARPA
Reynolds & Postel PAGE 44
Assigned Numbers RFC 923
People
[PXN] Peter Nellessen SIEMENS crtvax!pn@CMU-CS-SPICE.ARPA
[RA11] Rick Adams CCI rlgvax!ra@SEISMO.ARPA
[RB6] Richard Bisbey ISI Bisbey@USC-ISIB.ARPA
[RBN1] Ronald Natalie, Jr. BRL ron@BRL-TGR.ARPA
[RBW] Richard B. Wales UCLA wales@UCLA-LOCUS.ARPA
[RC7] Robert Cole UCL robert@UCL-CS.ARPA
[RDB2] Robert Bressler BBN Bressler@BBN-UNIX.ARPA
[RDR4] Dennis Rockwell BBN DRockwell@BBN-UNIX.ARPA
[REK2] Robert Kahn ARPA Kahn@USC-ISIA.ARPA
[RF1] Randy Frank UTAH Frank@UTAH-20.ARPA
[RFD1] Robert F. Donnelly ARDC donnelly@ARDC.ARPA
[RH6] Robert Hinden BBN Hinden@BBN-UNIX.ARPA
[RH60] Roger Hale MIT Network%MIT-BUGS@MIT-MC.ARPA
[RHT] Robert Thomas BBN BThomas@BBNG.ARPA
[RK1] Richard Kovalcik Honeywell Kovalcik@MIT-MULTICS.ARPA
[RKJ2] Richard Johnsson DEC johnsson@DECWRL.ARPA
[RLB1] Bob Brown USRA rlb@AMES-VMSB.ARPA
[RLB3] Ronald L. Broersma NOSC Ron@NOSC.ARPA
[RLH2] Ronald L. Hartung NSWC ron@NSWC-WO.ARPA
[RLS6] Ronald L. Smith COINS COINS@USC-ISIA.ARPA
[RNM1] Neil MacKenzie RSRE T45@USC-ISID.ARPA
[RR2] Raleigh Romine Teledyne romine@SEISMO.ARPA
[RR18] Ron Reisor UDEL ron.udel-cc-relay@UDEL.ARPA
[RS23] Russel Sandberg WISC root@UWISC.ARPA
[RTB] Bob Braden UCLA Braden@USC-ISIA.ARPA
[RWS4] Robert W. Scheifler ARGUS RWS@MIT-XX.ARPA
[SA1] Sten Andler ARPA andler.ibm-sj@CSNET-RELAY.ARPA
[SC3] Steve Casner ISI Casner@USC-ISIB.ARPA
[SGC] Steve Chipman BBN Chipman@BBNA.ARPA
[SK] Steve Kille UCL UKSAT@USC-ISID.ARPA
[SM6] Sean McLinden DSL SMcLinden@CADRE.ARPA
[SMF] Steven M. Feldman TYMNET feldman%ucbarpa@BERKELEY.ARPA
[SXB] Steve Byrne TARTAN Byrne@CMU-CS-C.ARPA
[SXB1] Scott Bradner HARVARD bradner@HARV.10.ARPA
[SXM] Scott Marcus Spartacus ---none---
[TBS] Claude S. Steffey WSMR csteffey@WSMR70A.ARPA
[TC4] Tony Cincotta DTNSRDC tony@NALCON.ARPA
[TF6] Thomas Ferrin UCSF ucsfcgl!tef@BERKELEY.ARPA
[TW11] Tom Wadlow LLL TAW@S1-A.ARPA
[TXN] Todd Nugent U Chicago Nugent@ANL-MCS.ARPA
[UXB] Ulf Bilting CHALMERS bilting@PURDUE.ARPA
[WG] Wayne Graves LBL wayne@LBL-CSAM.ARPA
[WIM] William Macgregor BBN macg@BBN.ARPA
[WNJ] Bill Joy SMI sun!wnj@BERKELEY.ARPA
[WXL] William Lampeter UR bill@ROCHESTER.ARPA
[ZSU] Zaw-Sing Su SRI ZSu@SRI-TSC.ARPA
Reynolds & Postel PAGE 45
Assigned Numbers RFC 923
Appendix A
APPENDIX A
Network Numbers
The network numbers in class A, B, and C network addresses are
allocated among Research, Defense, Government (Non-Defense) and
Commercial uses.
Class A (highest-order bit 0)
Research allocation: 8
Defense allocation: 24
Government allocation: 24
Commercial allocation: 94
Reserved Addresses: (0, 127)
Total 128
Class B (highest-order bits 1-0)
Research allocation: 1024
Defense allocation: 3072
Government allocation: 3072
Commercial allocation: 12286
Reserved Addresses: (0, 16383)
Total 16384
Class C (highest-order bits 1-1-0)
Research allocation: 65536
Defense allocation: 458725
Government allocation: 458725
Commercial allocation: 1572862
Reserved Addresses: (0, 2097151)
Total 2097152
Class D (highest-order bits 1-1-1)
All addresses in this class are reserved for future use.
Within the Research community, network identifiers will only be
granted to applicants who show evidence that they are acquiring
standard Bolt Beranek and Newman gateway software or have
implemented or are acquiring a gateway meeting the Exterior
Gateway Protocol requirements. Acquisition of the Berkeley BSD
4.2 UNIX software might be considered evidence of the latter.
Reynolds & Postel PAGE 46
Assigned Numbers RFC 923
Appendix A
Experimental networks which later become operational need not be
renumbered. Rather, the identifiers could be moved from Research
to Defense, Government or Commercial status. Thus, network
identifiers may change state among Research, Defense, Government
and Commercial, but the number of identifiers allocated to each
use must remain within the limits indicated above. To make
possible this fluid assignment, the network identifier spaces are
not allocated by simple partition, but rather by specific
assignment.
Protocol Identifiers
These assignments are shared by the four communities.
Port Numbers
These assignments are shared by the four communities.
ARPANET Link Numbers
These assignments are shared by the four communities.
IP Version Numbers
These assignments are shared by the four communities.
TCP, IP and Telnet Option Identifiers
These assignments are shared by the four communities.
Implementation:
Joyce Reynolds is the coordinator for all number assignments.
Reynolds & Postel PAGE 47
Assigned numbers
RFC TOTAL SIZE: 96467 bytes
PUBLICATION DATE: Tuesday, September 22nd, 1992
LEGAL RIGHTS: The IETF Trust (see BCP 78)
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