| 768 | User Datagram ProtocolJ. Postel | Internet Standard | August 1980 |
| 791 | Internet ProtocolJ. Postel | Internet Standard | September 1981 |
| 793 | Transmission Control ProtocolJ. Postel · obsoleted by RFC 9293 | Internet Standard | September 1981 |
| 952 | DoD Internet host table specificationK. Harrenstien, M.K. Stahl, E.J. Feinler | Unknown | October 1985 |
| 1034 | Domain names - concepts and facilitiesP. Mockapetris | Internet Standard | November 1987 |
| 1123 | Requirements for Internet Hosts - Application and SupportR. Braden, Ed. | Internet Standard | October 1989 |
| 1930 | Guidelines for creation, selection, and registration of an Autonomous System (AS)J. Hawkinson, T. Bates | Best Current Practice | March 1996 |
| 2119 | Key words for use in RFCs to Indicate Requirement LevelsS. Bradner | Best Current Practice | March 1997 |
| 2460 | Internet Protocol, Version 6 (IPv6) SpecificationS. Deering, R. Hinden · obsoleted by RFC 8200 | Draft Standard | December 1998 |
| 2474 | Definition of the Differentiated Services Field (DS Field) in the IPv4 and IPv6 HeadersK. Nichols, S. Blake, F. Baker, D. Black | Proposed Standard | December 1998 |
| 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 |
| 2780 | IANA Allocation Guidelines For Values In the Internet Protocol and Related HeadersS. Bradner, V. Paxson | Best Current Practice | March 2000 |
| 2782 | A DNS RR for specifying the location of services (DNS SRV)A. Gulbrandsen, P. Vixie, L. Esibov | Proposed Standard | February 2000 |
| 2856 | Textual Conventions for Additional High Capacity Data TypesA. Bierman, K. McCloghrie, R. Presuhn | Proposed Standard | June 2000 |
| 3289 | Management Information Base for the Differentiated Services ArchitectureF. Baker, K. Chan, A. Smith | Proposed Standard | June 2002 |
| 3305 | Report from the Joint W3C/IETF URI Planning Interest Group: Uniform Resource Identifiers (URIs), URLs, and Uniform Resource Names (URNs): Clarifications and RecommendationsM. Mealling, Ed., R. Denenberg, Ed. | Informational | August 2002 |
| 3339 | Date and Time on the Internet: TimestampsG. Klyne, C. Newman | Proposed Standard | July 2002 |
| 3595 | Textual Conventions for IPv6 Flow LabelB. Wijnen | Proposed Standard | September 2003 |
| 3688 | The IETF XML RegistryM. Mealling | Best Current Practice | January 2004 |
| 3986 | Uniform Resource Identifier (URI): Generic SyntaxT. Berners-Lee, R. Fielding, L. Masinter | Internet Standard | January 2005 |
| 4001 | Textual Conventions for Internet Network AddressesM. Daniele, B. Haberman, S. Routhier, J. Schoenwaelder | Proposed Standard | March 2005 |
| 4007 | IPv6 Scoped Address ArchitectureS. Deering, B. Haberman, T. Jinmei, E. Nordmark, B. Zill | Proposed Standard | March 2005 |
| 4122 | A Universally Unique IDentifier (UUID) URN NamespaceP. Leach, M. Mealling, R. Salz · obsoleted by RFC 9562 | Proposed Standard | July 2005 |
| 4271 | A Border Gateway Protocol 4 (BGP-4)Y. Rekhter, Ed., T. Li, Ed., S. Hares, Ed. | Draft Standard | January 2006 |
| 4291 | IP Version 6 Addressing ArchitectureR. Hinden, S. Deering | Draft Standard | February 2006 |
| 4340 | Datagram Congestion Control Protocol (DCCP)E. Kohler, M. Handley, S. Floyd | Proposed Standard | March 2006 |
| 4502 | Remote Network Monitoring Management Information Base Version 2S. Waldbusser | Draft Standard | May 2006 |
| 4960 | Stream Control Transmission ProtocolR. Stewart, Ed. · obsoleted by RFC 9260 | Proposed Standard | September 2007 |
| 5017 | MIB Textual Conventions for Uniform Resource Identifiers (URIs)D. McWalter, Ed. | Proposed Standard | September 2007 |
| 5741 | RFC Streams, Headers, and BoilerplatesL. Daigle, Ed., O. Kolkman, Ed., IAB · obsoleted by RFC 7841 | Informational | December 2009 |
| 5890 | Internationalized Domain Names for Applications (IDNA): Definitions and Document FrameworkJ. Klensin | Proposed Standard | August 2010 |
| 5952 | A Recommendation for IPv6 Address Text RepresentationS. Kawamura, M. Kawashima | Proposed Standard | August 2010 |
| 6020 | YANG - A Data Modeling Language for the Network Configuration Protocol (NETCONF)M. Bjorklund, Ed. | Proposed Standard | October 2010 |
| 6021 | Common YANG Data TypesJ. Schoenwaelder, Ed. · obsoleted by RFC 6991 | Proposed Standard | October 2010 |
| 6241 | Network Configuration Protocol (NETCONF)R. Enns, Ed., M. Bjorklund, Ed., J. Schoenwaelder, Ed., A. Bierman, Ed. | Proposed Standard | June 2011 |
| 6793 | BGP Support for Four-Octet Autonomous System (AS) Number SpaceQ. Vohra, E. Chen | Proposed Standard | December 2012 |