| 407 | Remote Job Entry ProtocolR.D. Bressler, R. Guida, A.M. McKenzie | Historic | October 1972 |
| 493 | GRAPHICS PROTOCOLJ.C. Michener, I.W. Cotton, K.C. Kelley, D.E. Liddle, E. Meyer | Unknown | April 1973 |
| 734 | SUPDUP ProtocolM.R. Crispin | Historic | October 1977 |
| 740 | NETRJS ProtocolR.T. Braden | Historic | November 1977 |
| 741 | Specifications for the Network Voice Protocol (NVP)D. Cohen | Unknown | November 1977 |
| 759 | Internet Message ProtocolJ. Postel | Historic | August 1980 |
| 768 | User Datagram ProtocolJ. Postel | Internet Standard | August 1980 |
| 791 | Internet ProtocolJ. Postel | Internet Standard | September 1981 |
| 792 | Internet Control Message ProtocolJ. Postel | Internet Standard | September 1981 |
| 793 | Transmission Control ProtocolJ. Postel · obsoleted by RFC 9293 | Internet Standard | September 1981 |
| 818 | Remote User Telnet serviceJ. Postel | Historic | November 1982 |
| 821 | Simple Mail Transfer ProtocolJ. Postel · obsoleted by RFC 2821 | Internet Standard | August 1982 |
| 823 | DARPA Internet gatewayR.M. Hinden, A. Sheltzer | Historic | September 1982 |
| 826 | An Ethernet Address Resolution Protocol: Or Converting Network Protocol Addresses to 48.bit Ethernet Address for Transmission on Ethernet HardwareD. Plummer | Internet Standard | November 1982 |
| 854 | Telnet Protocol SpecificationJ. Postel, J.K. Reynolds | Internet Standard | May 1983 |
| 862 | Echo ProtocolJ. Postel | Internet Standard | May 1983 |
| 863 | Discard ProtocolJ. Postel | Internet Standard | May 1983 |
| 864 | Character Generator ProtocolJ. Postel | Internet Standard | May 1983 |
| 865 | Quote of the Day ProtocolJ. Postel | Internet Standard | May 1983 |
| 866 | Active usersJ. Postel | Internet Standard | May 1983 |
| 867 | Daytime ProtocolJ. Postel | Internet Standard | May 1983 |
| 868 | Time ProtocolJ. Postel, K. Harrenstien | Internet Standard | May 1983 |
| 869 | Host Monitoring ProtocolR. Hinden | Historic | December 1983 |
| 887 | Resource Location ProtocolM. Accetta | Experimental | December 1983 |
| 904 | Exterior Gateway Protocol formal specificationD.L. Mills | Historic | April 1984 |
| 905 | ISO Transport Protocol specification ISO DP 8073ISO | Unknown | April 1984 |
| 908 | Reliable Data ProtocolD. Velten, R.M. Hinden, J. Sax | Experimental | July 1984 |
| 913 | Simple File Transfer ProtocolM. Lottor | Historic | September 1984 |
| 915 | Network mail path serviceM.A. Elvy, R. Nedved | Unknown | December 1984 |
| 937 | Post Office Protocol: Version 2M. Butler, J. Postel, D. Chase, J. Goldberger, J.K. Reynolds | Historic | February 1985 |
| 938 | Internet Reliable Transaction Protocol functional and interface specificationT. Miller | Experimental | February 1985 |
| 951 | Bootstrap ProtocolW.J. Croft, J. Gilmore | Draft Standard | September 1985 |
| 953 | Hostname ServerK. Harrenstien, M.K. Stahl, E.J. Feinler | Historic | October 1985 |
| 954 | NICNAME/WHOISK. Harrenstien, M.K. Stahl, E.J. Feinler · obsoleted by RFC 3912 | Draft Standard | October 1985 |
| 959 | File Transfer ProtocolJ. Postel, J. Reynolds | Internet Standard | October 1985 |
| 972 | Password Generator ProtocolF.J. Wancho | Unknown | January 1986 |
| 977 | Network News Transfer ProtocolB. Kantor, P. Lapsley · obsoleted by RFC 3977 | Proposed Standard | February 1986 |
| 996 | Statistics serverD.L. Mills | Historic | February 1987 |
| 998 | NETBLT: A bulk data transfer protocolD.D. Clark, M.L. Lambert, L. Zhang | Experimental | March 1987 |
| 1001 | Protocol standard for a NetBIOS service on a TCP/UDP transport: Concepts and methodsNetBIOS Working Group in the Defense Advanced Research Projects Agency, Internet Activities Board, End-to-End Services Task Force | Internet Standard | March 1987 |
| 1002 | Protocol standard for a NetBIOS service on a TCP/UDP transport: Detailed specificationsNetBIOS Working Group in the Defense Advanced Research Projects Agency, Internet Activities Board, End-to-End Services Task Force | Internet Standard | March 1987 |
| 1021 | High-level Entity Management System (HEMS)C. Partridge, G. Trewitt | Historic | October 1987 |
| 1028 | Simple Gateway Monitoring ProtocolJ. Davin, J.D. Case, M. Fedor, M.L. Schoffstall | Historic | November 1987 |
| 1035 | Domain names - implementation and specificationP. Mockapetris | Internet Standard | November 1987 |
| 1056 | PCMAIL: A distributed mail system for personal computersM.L. Lambert | Informational | June 1988 |
| 1057 | RPC: Remote Procedure Call Protocol specification: Version 2Sun Microsystems | Informational | June 1988 |
| 1064 | Interactive Mail Access Protocol: Version 2M.R. Crispin · obsoleted by RFC 1176, RFC 1203 | Unknown | July 1988 |
| 1068 | Background File Transfer Program (BFTP)A.L. DeSchon, R.T. Braden | Unknown | August 1988 |
| 1070 | Use of the Internet as a subnetwork for experimentation with the OSI network layerR.A. Hagens, N.E. Hall, M.T. Rose | Unknown | February 1989 |
| 1078 | TCP port service Multiplexer (TCPMUX)M. Lottor · obsoleted by RFC 7805 | Historic | November 1988 |
| 1086 | ISO-TP0 bridge between TCP and X.25J.P. Onions, M.T. Rose | Unknown | December 1988 |
| 1095 | Common Management Information Services and Protocol over TCP/IP (CMOT)U.S. Warrier, L. Besaw · obsoleted by RFC 1189 | Unknown | April 1989 |
| 1112 | Host extensions for IP multicastingS.E. Deering | Internet Standard | August 1989 |
| 1151 | Version 2 of the Reliable Data Protocol (RDP)C. Partridge, R.M. Hinden | Experimental | April 1990 |
| 1155 | Structure and identification of management information for TCP/IP-based internetsM.T. Rose, K. McCloghrie | Internet Standard | May 1990 |
| 1157 | Simple Network Management Protocol (SNMP)J.D. Case, M. Fedor, M.L. Schoffstall, J. Davin | Historic | May 1990 |
| 1203 | Interactive Mail Access Protocol: Version 3J. Rice | Historic | February 1991 |
| 1204 | Message Posting Protocol (MPP)S. Yeh, D. Lee | Experimental | February 1991 |
| 1212 | Concise MIB definitionsM.T. Rose, K. McCloghrie | Internet Standard | March 1991 |
| 1213 | Management Information Base for Network Management of TCP/IP-based internets: MIB-IIK. McCloghrie, M. Rose | Internet Standard | March 1991 |
| 1215 | Convention for defining traps for use with the SNMPM.T. Rose | Informational | March 1991 |
| 1226 | Internet protocol encapsulation of AX.25 framesB. Kantor | Experimental | May 1991 |
| 1227 | SNMP MUX protocol and MIBM.T. Rose | Historic | May 1991 |
| 1234 | Tunneling IPX traffic through IP networksD. Provan | Historic | June 1991 |
| 1235 | Coherent File Distribution ProtocolJ. Ioannidis, G. Maguire | Experimental | June 1991 |
| 1241 | Scheme for an internet encapsulation protocol: Version 1R.A. Woodburn, D.L. Mills | Experimental | July 1991 |
| 1249 | DIXIE Protocol SpecificationT. Howes, M. Smith, B. Beecher | Informational | August 1991 |
| 1267 | Border Gateway Protocol 3 (BGP-3)K. Lougheed, Y. Rekhter | Historic | October 1991 |
| 1282 | BSD RloginB. Kantor | Informational | December 1991 |
| 1288 | The Finger User Information ProtocolD. Zimmerman | Draft Standard | December 1991 |
| 1301 | Multicast Transport ProtocolS. Armstrong, A. Freier, K. Marzullo | Informational | February 1992 |
| 1305 | Network Time Protocol (Version 3) Specification, Implementation and AnalysisD. Mills · obsoleted by RFC 5905 | Historic | March 1992 |
| 1312 | Message Send Protocol 2R. Nelson, G. Arnold | Experimental | April 1992 |
| 1339 | Remote Mail Checking ProtocolS. Dorner, P. Resnick | Experimental | June 1992 |
| 1350 | The TFTP Protocol (Revision 2)K. Sollins | Internet Standard | July 1992 |
| 1413 | Identification ProtocolM. St. Johns | Proposed Standard | February 1993 |
| 1419 | SNMP over AppleTalkG. Minshall, M. Ritter | Historic | March 1993 |
| 1420 | SNMP over IPXS. Bostock | Proposed Standard | March 1993 |
| 1436 | The Internet Gopher Protocol (a distributed document search and retrieval protocol)F. Anklesaria, M. McCahill, P. Lindner, D. Johnson, D. Torrey, B. Alberti | Informational | March 1993 |
| 1459 | Internet Relay Chat ProtocolJ. Oikarinen, D. Reed | Experimental | May 1993 |
| 1476 | RAP: Internet Route Access ProtocolR. Ullmann | Experimental | June 1993 |
| 1479 | Inter-Domain Policy Routing Protocol Specification: Version 1M. Steenstrup | Historic | July 1993 |
| 1483 | Multiprotocol Encapsulation over ATM Adaptation Layer 5J. Heinanen · obsoleted by RFC 2684 | Proposed Standard | July 1993 |
| 1492 | An Access Control Protocol, Sometimes Called TACACSC. Finseth | Informational | July 1993 |
| 1510 | The Kerberos Network Authentication Service (V5)J. Kohl, C. Neuman · obsoleted by RFC 4120, RFC 6649 | Historic | September 1993 |
| 1583 | OSPF Version 2J. Moy · obsoleted by RFC 2178 | Draft Standard | March 1994 |
| 1700 | Assigned NumbersJ. Reynolds, J. Postel · obsoleted by RFC 3232 | Historic | October 1994 |
| 1701 | Generic Routing Encapsulation (GRE)S. Hanks, T. Li, D. Farinacci, P. Traina | Informational | October 1994 |
| 1702 | Generic Routing Encapsulation over IPv4 networksS. Hanks, T. Li, D. Farinacci, P. Traina | Informational | October 1994 |
| 1725 | Post Office Protocol - Version 3J. Myers, M. Rose · obsoleted by RFC 1939 | Internet Standard | November 1994 |
| 1729 | Using the Z39.50 Information Retrieval ProtocolC. Lynch | Informational | December 1994 |
| 1730 | Internet Message Access Protocol - Version 4M. Crispin · obsoleted by RFC 2060, RFC 2061 | Proposed Standard | December 1994 |
| 1739 | A Primer On Internet and TCP/IP ToolsG. Kessler, S. Shepard · obsoleted by RFC 2151 | Informational | December 1994 |
| 1745 | BGP4/IDRP for IP---OSPF InteractionK. Varadhan, S. Hares, Y. Rekhter | Historic | December 1994 |
| 1757 | Remote Network Monitoring Management Information BaseS. Waldbusser · obsoleted by RFC 2819 | Draft Standard | February 1995 |
| 1777 | Lightweight Directory Access ProtocolW. Yeong, T. Howes, S. Kille · obsoleted by RFC 3494 | Historic | March 1995 |
| 1782 | TFTP Option ExtensionG. Malkin, A. Harkin · obsoleted by RFC 2347 | Proposed Standard | March 1995 |
| 1783 | TFTP Blocksize OptionG. Malkin, A. Harkin · obsoleted by RFC 2348 | Proposed Standard | March 1995 |
| 1784 | TFTP Timeout Interval and Transfer Size OptionsG. Malkin, A. Harkin · obsoleted by RFC 2349 | Proposed Standard | March 1995 |
| 1798 | Connection-less Lightweight X.500 Directory Access ProtocolA. Young · obsoleted by RFC 3352 | Historic | June 1995 |
| 1813 | NFS Version 3 Protocol SpecificationB. Callaghan, B. Pawlowski, P. Staubach | Informational | June 1995 |
| 1819 | Internet Stream Protocol Version 2 (ST2) Protocol Specification - Version ST2+L. Delgrossi, Ed., L. Berger, Ed. | Historic | August 1995 |
| 1831 | RPC: Remote Procedure Call Protocol Specification Version 2R. Srinivasan · obsoleted by RFC 5531 | Proposed Standard | August 1995 |
| 1853 | IP in IP TunnelingW. Simpson | Informational | October 1995 |
| 1901 | Introduction to Community-based SNMPv2J. Case, K. McCloghrie, M. Rose, S. Waldbusser | Historic | January 1996 |
| 1902 | Structure of Management Information for Version 2 of the Simple Network Management Protocol (SNMPv2)J. Case, K. McCloghrie, M. Rose, S. Waldbusser · obsoleted by RFC 2578 | Draft Standard | January 1996 |
| 1903 | Textual Conventions for Version 2 of the Simple Network Management Protocol (SNMPv2)J. Case, K. McCloghrie, M. Rose, S. Waldbusser · obsoleted by RFC 2579 | Draft Standard | January 1996 |
| 1904 | Conformance Statements for Version 2 of the Simple Network Management Protocol (SNMPv2)J. Case, K. McCloghrie, M. Rose, S. Waldbusser · obsoleted by RFC 2580 | Draft Standard | January 1996 |
| 1905 | Protocol Operations for Version 2 of the Simple Network Management Protocol (SNMPv2)J. Case, K. McCloghrie, M. Rose, S. Waldbusser · obsoleted by RFC 3416 | Draft Standard | January 1996 |
| 1906 | Transport Mappings for Version 2 of the Simple Network Management Protocol (SNMPv2)J. Case, K. McCloghrie, M. Rose, S. Waldbusser · obsoleted by RFC 3417 | Draft Standard | January 1996 |
| 1940 | Source Demand Routing: Packet Format and Forwarding Specification (Version 1)D. Estrin, T. Li, Y. Rekhter, K. Varadhan, D. Zappala | Informational | May 1996 |
| 1945 | Hypertext Transfer Protocol -- HTTP/1.0T. Berners-Lee, R. Fielding, H. Frystyk | Informational | May 1996 |
| 2002 | IP Mobility SupportC. Perkins, Ed. · obsoleted by RFC 3220 | Proposed Standard | October 1996 |
| 2003 | IP Encapsulation within IPC. Perkins | Proposed Standard | October 1996 |
| 2021 | Remote Network Monitoring Management Information Base Version 2 using SMIv2S. Waldbusser · obsoleted by RFC 4502 | Proposed Standard | January 1997 |
| 2037 | Entity MIB using SMIv2K. McCloghrie, A. Bierman · obsoleted by RFC 2737 | Proposed Standard | October 1996 |
| 2068 | Hypertext Transfer Protocol -- HTTP/1.1R. Fielding, J. Gettys, J. Mogul, H. Frystyk, T. Berners-Lee · obsoleted by RFC 2616 | Proposed Standard | January 1997 |
| 2069 | An Extension to HTTP : Digest Access AuthenticationJ. Franks, P. Hallam-Baker, J. Hostetler, P. Leach, A. Luotonen, E. Sink, L. Stewart · obsoleted by RFC 2617 | Proposed Standard | January 1997 |
| 2074 | Remote Network Monitoring MIB Protocol IdentifiersA. Bierman, R. Iddon · obsoleted by RFC 2895 | Proposed Standard | January 1997 |
| 2109 | HTTP State Management MechanismD. Kristol, L. Montulli · obsoleted by RFC 2965 | Historic | February 1997 |
| 2138 | Remote Authentication Dial In User Service (RADIUS)C. Rigney, A. Rubens, W. Simpson, S. Willens · obsoleted by RFC 2865 | Proposed Standard | April 1997 |
| 2139 | RADIUS AccountingC. Rigney · obsoleted by RFC 2866 | Informational | April 1997 |
| 2145 | Use and Interpretation of HTTP Version NumbersJ. C. Mogul, R. Fielding, J. Gettys, H. Frystyk · obsoleted by RFC 7230 | Informational | May 1997 |
| 2205 | Resource ReSerVation Protocol (RSVP) -- Version 1 Functional SpecificationR. Braden, Ed., L. Zhang, S. Berson, S. Herzog, S. Jamin | Proposed Standard | September 1997 |
| 2233 | The Interfaces Group MIB using SMIv2K. McCloghrie, F. Kastenholz · obsoleted by RFC 2863 | Proposed Standard | November 1997 |
| 2271 | An Architecture for Describing SNMP Management FrameworksD. Harrington, R. Presuhn, B. Wijnen · obsoleted by RFC 2571 | Proposed Standard | January 1998 |
| 2272 | Message Processing and Dispatching for the Simple Network Management Protocol (SNMP)J. Case, D. Harrington, R. Presuhn, B. Wijnen · obsoleted by RFC 2572 | Proposed Standard | January 1998 |
| 2273 | SNMPv3 ApplicationsD. Levi, P. Meyer, B. Stewart · obsoleted by RFC 2573 | Proposed Standard | January 1998 |
| 2274 | User-based Security Model (USM) for version 3 of the Simple Network Management Protocol (SNMPv3)U. Blumenthal, B. Wijnen · obsoleted by RFC 2574 | Proposed Standard | January 1998 |
| 2275 | View-based Access Control Model (VACM) for the Simple Network Management Protocol (SNMP)B. Wijnen, R. Presuhn, K. McCloghrie · obsoleted by RFC 2575 | Proposed Standard | January 1998 |
| 2332 | NBMA Next Hop Resolution Protocol (NHRP)J. Luciani, D. Katz, D. Piscitello, B. Cole, N. Doraswamy | Proposed Standard | April 1998 |
| 2408 | Internet Security Association and Key Management Protocol (ISAKMP)D. Maughan, M. Schertler, M. Schneider, J. Turner · obsoleted by RFC 4306 | Historic | November 1998 |
| 2570 | Introduction to Version 3 of the Internet-standard Network Management FrameworkJ. Case, R. Mundy, D. Partain, B. Stewart · obsoleted by RFC 3410 | Informational | April 1999 |
| 2571 | An Architecture for Describing SNMP Management FrameworksB. Wijnen, D. Harrington, R. Presuhn · obsoleted by RFC 3411 | Draft Standard | April 1999 |
| 2572 | Message Processing and Dispatching for the Simple Network Management Protocol (SNMP)J. Case, D. Harrington, R. Presuhn, B. Wijnen · obsoleted by RFC 3412 | Draft Standard | April 1999 |
| 2573 | SNMP ApplicationsD. Levi, P. Meyer, B. Stewart · obsoleted by RFC 3413 | Draft Standard | April 1999 |
| 2574 | User-based Security Model (USM) for version 3 of the Simple Network Management Protocol (SNMPv3)U. Blumenthal, B. Wijnen · obsoleted by RFC 3414 | Draft Standard | April 1999 |
| 2575 | View-based Access Control Model (VACM) for the Simple Network Management Protocol (SNMP)B. Wijnen, R. Presuhn, K. McCloghrie · obsoleted by RFC 3415 | Draft Standard | April 1999 |
| 2578 | Structure of Management Information Version 2 (SMIv2)K. McCloghrie, Ed., D. Perkins, Ed., J. Schoenwaelder, Ed. | Internet Standard | April 1999 |
| 2579 | Textual Conventions for SMIv2K. McCloghrie, Ed., D. Perkins, Ed., J. Schoenwaelder, Ed. | Internet Standard | April 1999 |
| 2580 | Conformance Statements for SMIv2K. McCloghrie, Ed., D. Perkins, Ed., J. Schoenwaelder, Ed. | Internet Standard | April 1999 |
| 2600 | Internet Official Protocol StandardsJ. Reynolds, R. Braden · obsoleted by RFC 2700 | Historic | March 2000 |
| 2895 | Remote Network Monitoring MIB Protocol Identifier ReferenceA. Bierman, C. Bucci, R. Iddon | Draft Standard | August 2000 |