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rfc:rfc790

Network Working Group J. Postel Request for Comments: 790 ISI

                                                        September 1981

Obsoletes RFCs: 776, 770, 762, 758, 755, 750, 739, 604, 503, 433, 349 Obsoletes IENs: 127, 117, 93

                          ASSIGNED NUMBERS

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 Jon Postel. The assignment of numbers is also handled by Jon. If you are developing a protocol or application that will require the use of a link, socket, port, protocol, or network number please contact Jon to receive a number assignment.

 Jon Postel
 USC - Information Sciences Institute
 4676 Admiralty Way
 Marina del Rey, California  90291
 phone: (213) 822-1511
 ARPANET mail: POSTEL@ISIF

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 Protocol Handbook [17] prepared by the Network Information Center (NIC). Some of the items listed are undocumented. In all cases the name and mailbox of the responsible individual is indicated. In the lists that follow, a bracketed entry, e.g., [17,iii], at the right hand margin of the page indicates a reference for the listed protocol, where the number cites the document and the "iii" cites the person.

Postel [Page 1]

RFC 790 September 1981

                                                      Assigned Numbers

Network Numbers

                      ASSIGNED NETWORK NUMBERS
 This list of network numbers is used in the internet address [33].
 The Internet Protocol (IP) uses a 32 bit address 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, or class a, of address has a 7-bit network number
    and a 24-bit local address.  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, or class b, of address has a 14-bit network
    number and a 16-bit local address.  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, or class c, of address has a 21-bit network number
    and a 8-bit local address.  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
 One notation for internet host addresses commonly used 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.  For
 example, the internet address of ISIF is 010.020.000.052.
 This notation will be used in the listing of assigned network

Postel [Page 2]

RFC 790 September 1981

                                                      Assigned Numbers

Network Numbers

 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 or rest
 field.
 Assigned Network Numbers
 Class A Networks
    Internet Address  Name          Network                 References
    ----------------  ----          -------                 ----------
    000.rrr.rrr.rrr                 Reserved                     [JBP]
    001.rrr.rrr.rrr   BBN-PR        BBN Packet Radio Network    [DCA2]
    002.rrr.rrr.rrr   SF-PR-1       SF Packet Radio Network (1)  [JEM]
    003.rrr.rrr.rrr   BBN-RCC       BBN RCC Network              [SGC]
    004.rrr.rrr.rrr   SATNET        Atlantic Satellite Network  [DM11]
    005.rrr.rrr.rrr   SILL-PR       Ft. Sill Packet Radio Network[JEM]
    006.rrr.rrr.rrr   SF-PR-2       SF Packet Radio Network (2)  [JEM]
    007.rrr.rrr.rrr   CHAOS         MIT CHAOS Network           [MOON]
    008.rrr.rrr.rrr   CLARKNET      SATNET subnet for Clarksburg[DM11]
    009.rrr.rrr.rrr   BRAGG-PR      Ft. Bragg Packet Radio Net   [JEM]
    010.rrr.rrr.rrr   ARPANET       ARPANET                 [17,1,VGC]
    011.rrr.rrr.rrr   UCLNET        University College London     [PK]
    012.rrr.rrr.rrr   CYCLADES      CYCLADES                     [VGC]
    013.rrr.rrr.rrr                 Unassigned                   [JBP]
    014.rrr.rrr.rrr   TELENET       TELENET                      [VGC]
    015.rrr.rrr.rrr   EPSS          British Post Office EPSS      [PK]
    016.rrr.rrr.rrr   DATAPAC       DATAPAC                      [VGC]
    017.rrr.rrr.rrr   TRANSPAC      TRANSPAC                     [VGC]
    018.rrr.rrr.rrr   LCSNET        MIT LCS Network       [43,10,DDC2]
    019.rrr.rrr.rrr   TYMNET        TYMNET                       [VGC]
    020.rrr.rrr.rrr   DC-PR         D.C. Packet Radio Network    [VGC]
    021.rrr.rrr.rrr   EDN           DCEC EDN                     [EC5]
    022.rrr.rrr.rrr   DIALNET       DIALNET                [26,16,MRC]
    023.rrr.rrr.rrr   MITRE         MITRE Cablenet            [44,APS]
    024.rrr.rrr.rrr   BBN-LOCAL     BBN Local Network            [SGC]
    025.rrr.rrr.rrr   RSRE-PPSN     RSRE / PPSN                  [BD2]
    026.rrr.rrr.rrr   AUTODIN-II    AUTODIN II                   [EC5]
    027.rrr.rrr.rrr   NOSC-LCCN     NOSC / LCCN                  [KTP]
    028.rrr.rrr.rrr   WIDEBAND      Wide Band Satellite Network [CJW2]
    029.rrr.rrr.rrr   DCN-COMSAT    COMSAT Dist. Comp. Network  [DLM1]
    030.rrr.rrr.rrr   DCN-UCL       UCL Dist. Comp. Network       [PK]
    031.rrr.rrr.rrr   BBN-SAT-TEST  BBN SATNET Test Network     [DM11]
    032.rrr.rrr.rrr   UCL-CR1       UCL Cambridge Ring 1          [PK]
    033.rrr.rrr.rrr   UCL-CR2       UCL Cambridge Ring 2          [PK]
    034.rrr.rrr.rrr   MATNET        Mobile Access Terminal Net  [DM11]
    035.rrr.rrr.rrr   NULL          UCL/RSRE Null Network        [BD2]

Postel [Page 3]

RFC 790 September 1981

                                                      Assigned Numbers

Network Numbers

    036.rrr.rrr.rrr   SU-NET        Stanford University Ethernet [MRC]
    037.rrr.rrr.rrr   DECNET        Digital Equipment Network    [DRL]
    038.rrr.rrr.rrr   DECNET-TEST   Test Digital Equipment Net   [DRL]
    039.rrr.rrr.rrr   SRINET        SRI Local Network           [GEOF]
    040.rrr.rrr.rrr   CISLNET       CISL Multics Network         [CH2]
    041.rrr.rrr.rrr   BBN-LN-TEST   BBN Local Network Testbed    [KTP]
    042.rrr.rrr.rrr   S1NET         LLL-S1-NET                   [EAK]
    043.rrr.rrr.rrr   INTELPOST     COMSAT INTELPOST            [DLM1]
    044.rrr.rrr.rrr   AMPRNET       Amature Radio Experiment Net  [HM]
    044.rrr.rrr.rrr-126.rrr.rrr.rrr Unassigned                   [JBP]
    127.rrr.rrr.rrr                 Reserved                     [JBP]
 Class B Networks
    Internet Address  Name          Network                 References
    ----------------  ----          -------                 ----------
    128.000.rrr.rrr                 Reserved                     [JBP]
    128.001.rrr.rrr-128.254.rrr.rrr Unassigned                   [JBP]
    191.255.rrr.rrr                 Reserved                     [JBP]
 Class C Networks
    Internet Address  Name          Network                 References
    ----------------  ----          -------                 ----------
    192.000.001.rrr                 Reserved                     [JBP]
    192.000.001.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]

Postel [Page 4]

RFC 790 September 1981

                                                      Assigned Numbers

Internet Version Numbers

                 ASSIGNED INTERNET VERSION NUMBERS
 In the Internet Protocol (IP) [33] 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   Octal      Version                            References
    -------   -----      -------                            ----------
        0      0         Reserved                                [JBP]
      1-3    1-3         Unassigned                              [JBP]
        4      4         Internet Protocol                    [33,JBP]
        5      5         ST Datagram Mode                     [20,JWF]
     6-14   6-16         Unassigned                              [JBP]
       15     17         Reserved                                [JBP]

Postel [Page 5]

RFC 790 September 1981

                                                      Assigned Numbers

Internet Protocol Numbers

                 ASSIGNED INTERNET PROTOCOL NUMBERS
 In the Internet Protocol (IP) [33] there is a field, called Protocol,
 to identify the the next level protocol.  This is an 8 bit field.
 Assigned Internet Protocol Numbers
    Decimal    Octal      Protocol Numbers                  References
    -------    -----      ----------------                  ----------
         0       0         Reserved                              [JBP]
         1       1         ICMP                               [53,JBP]
         2       2         Unassigned                            [JBP]
         3       3         Gateway-to-Gateway              [48,49,VMS]
         4       4         CMCC Gateway Monitoring Message [18,19,DFP]
         5       5         ST                                 [20,JWF]
         6       6         TCP                                [34,JBP]
         7       7         UCL                                    [PK]
         8      10         Unassigned                            [JBP]
         9      11         Secure                                [VGC]
        10      12         BBN RCC Monitoring                    [VMS]
        11      13         NVP                                 [12,DC]
        12      14         PUP                                [4,EAT3]
        13      15         Pluribus                             [RDB2]
        14      16         Telenet                              [RDB2]
        15      17         XNET                              [25,JFH2]
        16      20         Chaos                                [MOON]
        17      21         User Datagram                      [42,JBP]
        18      22         Multiplexing                       [13,JBP]
        19      23         DCN                                  [DLM1]
        20      24         TAC Monitoring                     [55,RH6]
     21-62   25-76         Unassigned                            [JBP]
        63      77         any local network                     [JBP]
        64     100         SATNET and Backroom EXPAK            [DM11]
        65     101         MIT Subnet Support                    [NC3]
     66-68 102-104         Unassigned                            [JBP]
        69     105         SATNET Monitoring                    [DM11]
        70     106         Unassigned                            [JBP]
        71     107         Internet Packet Core Utility         [DM11]
     72-75 110-113         Unassigned                            [JBP]
        76     114         Backroom SATNET Monitoring           [DM11]
        77     115         Unassigned                            [JBP]
        78     116         WIDEBAND Monitoring                  [DM11]
        79     117         WIDEBAND EXPAK                       [DM11]
    80-254 120-376         Unassigned                            [JBP]
       255     377         Reserved                              [JBP]

Postel [Page 6]

RFC 790 September 1981

                                                      Assigned Numbers

Port or Socket Numbers

                  ASSIGNED PORT or SOCKET NUMBERS
 Ports are used in the TCP [34] and sockets are used in the AHHP
 [28,17] to name the ends of logical connections which carry long term
 conversations.  For the purpose of providing services to unknown
 callers a service contact socket is defined.  This list specifies the
 port or socket used by the server process as its contact socket.  In
 the AHHP an Initial Connection Procedure ICP [39,17] is used between
 the user process and the server process to make the initial contact
 and establish the long term connections leaving the contact socket
 free to handle other callers.  In the TCP no ICP is necessary since a
 port may engage in many simultaneous connections.
 To the extent possible these same port assignments are used with UDP
 [42].
 The assigned ports/sockets use a small part of the possible
 port/socket numbers.  The assigned ports/sockets have all except the
 low order eight bits cleared to zero.  The low order eight bits are
 specified here.
 Socket Assignments:
    General Assignments:
       Decimal   Octal     Description
       -------   -----     -----------
       0-63      0-77      Network Wide Standard Function
       64-131    100-203   Hosts Specific Functions
       132-223   204-337   Reserved for Future Use
       224-255   340-377   Any Experimental Function

Postel [Page 7]

RFC 790 September 1981

                                                      Assigned Numbers

Port or Socket Numbers

    Specific Assignments:
       Network Standard Functions
       Decimal   Octal     Description                      References
       -------   -----     -----------                      ----------
       1         1         Old Telnet                         [40,JBP]
       3         3         Old File Transfer            [27,11,24,JBP]
       5         5         Remote Job Entry                 [6,17,JBP]
       7         7         Echo                               [35,JBP]
       9         11        Discard                            [32,JBP]
       11        13        Who is on or SYSTAT                   [JBP]
       13        15        Date and Time                         [JBP]
       15        17        Who is up or NETSTAT                  [JBP]
       17        21        Short Text Message                    [JBP]
       19        23        Character generator or TTYTST      [31,JBP]
       21        25        New File Transfer                  [36,JBP]
       23        27        New Telnet                         [41,JBP]
       25        31        SMTP                               [54,JBP]
       27        33        NSW User System w/COMPASS FE       [14,RHT]
       29        35        MSG-3 ICP                          [29,RHT]
       31        37        MSG-3 Authentication               [29,RHT]
       33        41        Unassigned                            [JBP]
       35        43        IO Station Spooler                    [JBP]
       37        45        Time Server                        [22,JBP]
       39        47        Unassigned                            [JBP]
       41        51        Graphics                        [46,17,JBP]
       42        52        Name Server                        [38,JBP]
       43        53        WhoIs                                [JAKE]
       45        55        Message Processing Module          [37,JBP]
       47        57        NI FTP                             [50,CJB]
       49        61        RAND Network Graphics Conference   [30,MO2]
       51        63        Message Generator Control          [52,DFP]
       53        65        AUTODIN II FTP                     [21,EC5]
       55        67        ISI Graphics Language               [3,RB6]
       57        71        MTP                                [45,JBP]
       59        73        New MIT Host Status                   [SWG]
       61-63     75-77     Unassigned                            [JBP]

Postel [Page 8]

RFC 790 September 1981

                                                      Assigned Numbers

Port or Socket Numbers

       Host Specific Functions
       Decimal   Octal     Description                      References
       -------   -----     -----------                      ----------
       65        101       Unassigned                            [JBP]
       67        103       Datacomputer at CCA                 [8,JZS]
       69        105       Unassigned                            [JBP]
       69        105       Trivial File Transfer              [47,KRS]
       71        107       NETRJS (EBCDIC) at UCLA-CCN      [5,17,RTB]
       73        111       NETRJS (ASCII-68) at UCLA-CCN    [5,17,RTB]
       75        113       NETRJS (ASCII-63) at UCLA-CCN    [5,17,RTB]
       77        115       any private RJE server                [JBP]
       79        117       Name or Finger                  [23,17,KLH]
       81        121       Unassigned                            [JBP]
       83        123       MIT ML Device                        [MOON]
       85        125       MIT ML Device                        [MOON]
       87        127       any terminal link                     [JBP]
       89        131       SU/MIT Telnet Gateway                 [MRC]
       91        133       MIT Dover Spooler                     [EBM]
       93        135       BBN RCC Accounting                     [DT]
       95        137       SUPDUP                             [15,MRC]
       97        141       Datacomputer Status                 [8,JZS]
       99        143       CADC - NIFTP via UCL                  [PLH]
       101       145       NPL - NIFTP via UCL                   [PLH]
       103       147       BNPL - NIFTP via UCL                  [PLH]
       105       151       CAMBRIDGE - NIFTP via UCL             [PLH]
       107       153       HARWELL - NIFTP via UCL               [PLH]
       109       155       SWURCC - NIFTP via UCL                [PLH]
       111       157       ESSEX - NIFTP via UCL                 [PLH]
       113       161       RUTHERFORD - NIFTP via UCL            [PLH]
       115-129   163-201   Unassigned                            [JBP]
       131       203       Datacomputer                        [8,JZS]
       Reserved for Future Use
       Decimal   Octal     Description                      References
       -------   -----     -----------                      ----------
       132-223   204-337   Reserved                              [JBP]

Postel [Page 9]

RFC 790 September 1981

                                                      Assigned Numbers

Port or Socket Numbers

       Experimental Functions
       Decimal   Octal     Description                      References
       -------   -----     -----------                      ----------
       224-239   340-357   Unassigned                            [JBP]
       241       361       NCP Measurement                     [9,JBP]
       243       363       Survey Measurement                   [2,AV]
       245       365       LINK                               [7,RDB2]
       247       367       TIPSRV                                [RHT]
       249-255   371-377   RSEXEC                             [51,RHT]
                       ASSIGNED 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.  Some time after the ARPANET Host-to-Host (AHHP) protocol
 was defined and, by now, some time ago the definition of this field
 was changed to "Message-ID" and the length to 12 bits. The name link
 now refers to the high order 8 bits of this 12 bit message-id field.
 The low order 4 bits of the message-id field are to be zero unless
 specifically specified otherwise for the particular protocol used on
 that link.  The Host/IMP interface is defined in BBN report 1822 [1].
 Link Assignments:
    Decimal   Octal     Description                         References
    -------   -----     -----------                         ----------
    0         0         AHHP Control Messages              [28,17,JBP]
    1         1         Reserved                                 [JBP]
    2-71      2-107     AHHP Regular Messages              [28,17,JBP]
    72-150    110-226   Reserved                                 [JBP]
    151       227       CHAOS Protocol                          [MOON]
    152       230       PARC Universal Protocol               [4,EAT3]
    153       231       TIP Status Reporting                     [JGH]
    154       232       TIP Accounting                           [JGH]
    155       233       Internet Protocol (regular)           [33,JBP]
    156-158   234-236   Internet Protocol (experimental)      [33,JBP]
    159-191   237-277   Measurements                           [9,VGC]
    192-195   300-303   Unassigned                               [JBP]
    196-255   304-377   Experimental Protocols                   [JBP]
    224-255   340-377   NVP                                 [12,17,DC]
    248-255   370-377   Network Maintenance                      [JGH]

Postel [Page 10]

RFC 790 September 1981

                                                      Assigned Numbers

Documents

                             DOCUMENTS
                             ---------
 [1]    BBN, "Specifications for the Interconnection of a Host and an
        IMP", Report 1822, Bolt Beranek and Newman, Cambridge,
        Massachusetts, May 1978.
 [2]    Bhushan, A., "A Report on the Survey Project", RFC 530,
        NIC 17375, 22 June 1973.
 [3]    Bisbey, R., D. Hollingworth, and B. Britt, "Graphics Language
        (version 2.1)", ISI/TM-80-18, USC/Information Sciences
        Institute, July 1980.
 [4]    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.
 [5]    Braden, R., "NETRJS Protocol", RFC 740, NIC 42423,
        22 November 1977.  Also in [17].
 [6]    Bressler, B., "Remote Job Entry Protocol",  RFC 407, NIC
        12112, 16 October 72.  Also in [17].
 [7]    Bressler, R., "Inter-Entity Communication -- An Experiment",
        RFC 441, NIC 13773, 19 January 1973.
 [8]    CCA, "Datacomputer Version 5/4 User Manual", Computer
        Corporation of America, August 1979.
 [9]    Cerf, V., "NCP Statistics", RFC 388, NIC 11360,
        23 August 1972.
 [10]   Clark, D., "Revision of DSP Specification", Local Network Note
        9, Laboratory for Computer Science, MIT, 17 June 1977.
 [11]   Clements, R., "FTPSRV -- Extensions for Tenex Paged Files",
        RFC 683, NIC 32251, 3 April 1975.  Also in [17].
 [12]   Cohen, D., "Specifications for the Network Voice Protocol
        (NVP)", NSC Note 68, 29 January 1976.  Also as USC/Information
        Sciences Institute RR-75-39, March 1976, and as RFC 741,
        NIC 42444, 22 November 1977.  Also in [17].
 [13]   Cohen, D. and J. Postel, "Multiplexing Protocol", IEN 90,
        USC/Information Sciences Institute, May 1979.

Postel [Page 11]

RFC 790 September 1981

                                                      Assigned Numbers

Documents

 [14]   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, 16 August 1976.
 [15]   Crispin, M., "SUPDUP Protocol", RFC 734, NIC 41953,
        7 October 1977.  Also in [17].
 [16]   Crispin, M. and I. Zabala, "DIALNET Protocols", Stanford
        University Artificial Intelligence Laboratory, July 1978.
 [17]   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.
 [18]   Flood Page, D., "Gateway Monitoring Protocol", IEN 131,
        February 1980.
 [19]   Flood Page, D., "CMCC Performance Measurement Message
        Formats", IEN 157, September 1980.
 [20]   Forgie, J., "ST - A Proposed Internet Stream Protocol",
        IEN 119, M.I.T. Lincoln Laboratory, September 1979.
 [21]   Forsdick, H., and A. McKenzie, "FTP Functional Specification",
        Bolt Beranek and Newman, Report 4051, August 1979.
 [22]   Harrenstien, K., J. Postel, "Time Server", IEN 142,
        April 1980.  Also in [17].
 [23]   Harrenstien, K., "Name/Finger", RFC 742, NIC 42758,
        30 December 1977.  Also in [17].
 [24]   Harvey, B., "One More Try on the FTP", RFC 691, NIC 32700,
        6 June 1975.
 [25]   Haverty, J., "XNET Formats for Internet Protocol Version 4",
        IEN 158, October 1980.
 [26]   McCarthy, J. and L. Earnest, "DIALNET", Stanford University
        Artificial Intelligence Laboratory, Undated.
 [27]   McKenzie, A., "File Transfer Protocol", RFC 454, NIC 14333,
        16 February 1973.

Postel [Page 12]

RFC 790 September 1981

                                                      Assigned Numbers

Documents

 [28]   McKenzie,A., "Host/Host Protocol for the ARPA Network",
        NIC 8246, January 1972.  Also in [17].
 [29]   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 24 December 1976.
 [30]   O'Brien, M., "A Network Graphical Conferencing System", RAND
        Corporation, N-1250-ARPA, August 1979.
 [31]   Postel, J., "Character Generator Process", RFC 429, NIC 13281,
        12 December 1972.
 [32]   Postel, J., "Discard Process",  RFC 348, NIC 10427,
        30 May 1972.
 [33]   Postel, J., ed., "Internet Protocol - DARPA Internet Program
        Protocol Specification", RFC 791, USC/Information Sciences
        Institute, September 1981.
 [34]   Postel, J., ed., "Transmission Control Protocol - DARPA
        Internet Program Protocol Specification", RFC 793,
        USC/Information Sciences Institute, September 1981.
 [35]   Postel, J., "Echo Process",  RFC 347, NIC 10426, 30 May 1972.
 [36]   Postel, J., "File Transfer Protocol", RFC 765, IEN 149,
        June 1980.
 [37]   Postel, J., "Internet Message Protocol", RFC 759, IEN 113,
        USC/Information Sciences Institute, August 1980.
 [38]   Postel, J., "Name Server", IEN 116, USC/Information Sciences
        Institute, August 1979.
 [39]   Postel, J., "Official Initial Connection Protocol", NIC 7101,
        11 June 1971.  Also in [17].
 [40]   Postel, J., "Telnet Protocol", RFC 318, NIC 9348,
        3 April 1972.
 [41]   Postel, J., "Telnet Protocol Specification", RFC 764, IEN 148,
        June 1980.
 [42]   Postel, J., "User Datagram Protocol", RFC 768 USC/Information
        Sciences Institute, August 1980.

Postel [Page 13]

RFC 790 September 1981

                                                      Assigned Numbers

Documents

 [43]   Reed, D., "Protocols for the LCS Network", Local Network Note
        3, Laboratory for Computer Science, MIT, 29 November 1976.
 [44]   Skelton, A., S. Holmgren, and D. Wood, "The MITRE Cablenet
        Project", IEN 96, April 1979.
 [45]   Sluizer, S., and J. Postel, "Mail Transfer Protocol", RFC 780,
        USC/Information Sciences Institute, May 1981.
 [46]   Sproull, R., and E. Thomas. "A Networks Graphics Protocol",
        NIC 24308, 16 August 1974.  Also in [17].
 [47]   Sollins, K., "The TFTP Protocol (revision 2)", RFC 783,
        MIT/LCS, June 1981.
 [48]   Strazisar, V., "Gateway Routing:  An Implementation
        Specification", IEN 30, Bolt Berenak and Newman, April 1979.
 [49]   Strazisar, V., "How to Build a Gateway", IEN 109, Bolt Berenak
        and Newman, August 1979.
 [50]   The High Level Protocol Group, "A Network Independent File
        Transfer Protocol",  INWG Protocol Note 86, December 1977.
 [51]   Thomas, R., "A Resource Sharing Executive for the ARPANET",
        AFIPS Conference Proceedings, 42:155-163, NCC, 1973.
 [52]   Flood Page, D., "A Simple Message Generator", IEN 172, Bolt
        Berenak and Newman, March 1981.
 [53]   Postel, J., "Internet Control Message Protocol - DARPA
        Internet Program Protocol Specification", RFC 792,
        USC/Information Sciences Institute, September 1981.
 [54]   Postel, J., "Simple Mail Transfer Protocol", RFC 788,
        USC/Information Sciences Institute, September 1981.
 [55]   Littauer, B., "A Host Monitoring Protocol"", IEN 197, Bolt
        Berenak and Newman, September 1981.

Postel [Page 14]

RFC 790 September 1981

                                                      Assigned Numbers

People

                               PEOPLE
                               ------
 [DCA2]    Don Allen           BBN       Allen@BBND
 [CJB]     Chris Bennett       UCL       UKSAT@ISIE
 [RB6]     Richard Bisbey      ISI       Bisbey@ISIB
 [RTB]     Bob Braden          UCLA      Braden@ISIA
 [RDB2]    Robert Bressler     BBN       Bressler@BBNE
 [EC5]     Ed Cain             DCEC      cain@EDN-Unix
 [VGC]     Vint Cerf           ARPA      Cerf@ISIA
 [NC3]     J. Noel Chiappa     MIT       JNC@MIT-XX
 [SGC]     Steve Chipman       BBN       Chipman@BBNA
 [DDC2]    David Clark         MIT       Clark@MIT-Multics
 [DC]      Danny Cohen         ISI       Cohen@ISIB
 [MRC]     Mark Crispin        Stanford  Admin.MRC@SU-SCORE
 [BD2]     Brian Davies        RSRE      T45@ISIE
 [JAKE]    Jake Feinler        SRI       Feinler@SRI-KL
 [DFP]     David Flood Page    BBN       DFloodPage@BBNE
 [JWF]     Jim Forgie          LL        Forgie@BBNC
 [SWG]     Stu Galley          MIT       SWG@MIT-DMS
 [GEOF]    Geoff Goodfellow    SRI       Geoff@DARCOM-KA
 [KLH]     Ken Harrenstien     MIT       KLH@MIT-AI
 [JFH2]    Jack Haverty        BBN       JHaverty@BBN-Unix
 [JGH]     Jim Herman          BBN       Herman@BBNE
 [PLH]     Peter Higginson     UCL       UKSAT@ISIE
 [RH6]     Robert Hinden       BBN       Hinden@BBNE
 [CH2]     Charles Hornig      Honeywell Hornig@MIT-Multics
 [EAK]     Earl Killian        LLL       EAK@MIT-MC
 [PK]      Peter Kirstein      UCL       Kirstein@ISIA
 [DRL]     David Lyons         DEC       Lyons@DEC-2136
 [HM]      Hank Magnuski       ---       ---
 [JEM]     Jim Mathis          SRI       Mathis@SRI-KL
 [DM11]    Dale McNeill        BBN       DMcNeill@BBNE
 [DLM1]    David Mills         COMSAT    Mills@ISIE
 [MOON]    David Moon          MIT       Moon@MIT-MC
 [EBM]     Eliot Moss          MIT       EBM@MIT-XX
 [MO2]     Michael O'Brien     RAND      OBrien@RAND-Unix
 [KTP]     Ken Pogran          BBN       Pogran@BBND
 [JBP]     Jon Postel          ISI       Postel@ISIF
 [JZS]     Joanne Sattely      CCA       JZS@CCA
 [APS]     Anita Skelton       MITRE     skelton@MITRE
 [KRS]     Karen Sollins       MIT       Sollins@MIT-XX
 [VMS]     Virginia Strazisar  BBN       Strazisar@BBNA
 [EAT3]    Ed Taft             XEROX     Taft.PA@PARC
 [DT]      Dan Tappan          BBN       Tappan@BBNG
 [RHT]     Robert Thomas       BBN       Thomas@BBNA
 [AV]      Al Vezza            MIT       AV@MIT-XX
 [CJW2]    Cliff Weinstein     LL        cjw@LL-11

Postel [Page 15]

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