| 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 |
| 879 | The TCP Maximum Segment Size and Related TopicsJ. Postel · obsoleted by RFC 7805, RFC 9293 | Historic | November 1983 |
| 1191 | Path MTU discoveryJ. Mogul, S. Deering | Draft Standard | November 1990 |
| 1812 | Requirements for IP Version 4 RoutersF. Baker, Ed. | Proposed Standard | June 1995 |
| 1883 | Internet Protocol, Version 6 (IPv6) SpecificationS. Deering, R. Hinden · obsoleted by RFC 2460 | Proposed Standard | December 1995 |
| 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 |
| 2475 | An Architecture for Differentiated ServicesS. Blake, D. Black, M. Carlson, E. Davies, Z. Wang, W. Weiss | Informational | December 1998 |
| 2710 | Multicast Listener Discovery (MLD) for IPv6S. Deering, W. Fenner, B. Haberman | Proposed Standard | October 1999 |
| 2765 | Stateless IP/ICMP Translation Algorithm (SIIT)E. Nordmark · obsoleted by RFC 6145 | Proposed Standard | February 2000 |
| 2766 | Network Address Translation - Protocol Translation (NAT-PT)G. Tsirtsis, P. Srisuresh · obsoleted by RFC 4966 | Historic | February 2000 |
| 2923 | TCP Problems with Path MTU DiscoveryK. Lahey | Informational | September 2000 |
| 3307 | Allocation Guidelines for IPv6 Multicast AddressesB. Haberman | Proposed Standard | September 2002 |
| 3590 | Source Address Selection for the Multicast Listener Discovery (MLD) ProtocolB. Haberman | Proposed Standard | September 2003 |
| 3810 | Multicast Listener Discovery Version 2 (MLDv2) for IPv6R. Vida, Ed., L. Costa, Ed. · obsoleted by RFC 9777 | Proposed Standard | June 2004 |
| 3849 | IPv6 Address Prefix Reserved for DocumentationG. Huston, A. Lord, P. Smith | Informational | July 2004 |
| 3948 | UDP Encapsulation of IPsec ESP PacketsA. Huttunen, B. Swander, V. Volpe, L. DiBurro, M. Stenberg | Proposed Standard | January 2005 |
| 4291 | IP Version 6 Addressing ArchitectureR. Hinden, S. Deering | Draft Standard | February 2006 |
| 4302 | IP Authentication HeaderS. Kent | Proposed Standard | December 2005 |
| 4340 | Datagram Congestion Control Protocol (DCCP)E. Kohler, M. Handley, S. Floyd | Proposed Standard | March 2006 |
| 4443 | Internet Control Message Protocol (ICMPv6) for the Internet Protocol Version 6 (IPv6) SpecificationA. Conta, S. Deering, M. Gupta, Ed. | Internet Standard | March 2006 |
| 4884 | Extended ICMP to Support Multi-Part MessagesR. Bonica, D. Gan, D. Tappan, C. Pignataro | Proposed Standard | April 2007 |
| 4890 | Recommendations for Filtering ICMPv6 Messages in FirewallsE. Davies, J. Mohacsi | Informational | May 2007 |
| 4963 | IPv4 Reassembly Errors at High Data RatesJ. Heffner, M. Mathis, B. Chandler | Informational | July 2007 |
| 4966 | Reasons to Move the Network Address Translator - Protocol Translator (NAT-PT) to Historic StatusC. Aoun, E. Davies | Informational | July 2007 |
| 5382 | NAT Behavioral Requirements for TCPS. Guha, Ed., K. Biswas, B. Ford, S. Sivakumar, P. Srisuresh | Best Current Practice | October 2008 |
| 5737 | IPv4 Address Blocks Reserved for DocumentationJ. Arkko, M. Cotton, L. Vegoda | Informational | January 2010 |
| 5741 | RFC Streams, Headers, and BoilerplatesL. Daigle, Ed., O. Kolkman, Ed., IAB · obsoleted by RFC 7841 | Informational | December 2009 |
| 5771 | IANA Guidelines for IPv4 Multicast Address AssignmentsM. Cotton, L. Vegoda, D. Meyer | Best Current Practice | March 2010 |
| 6052 | IPv6 Addressing of IPv4/IPv6 TranslatorsC. Bao, C. Huitema, M. Bagnulo, M. Boucadair, X. Li | Proposed Standard | October 2010 |
| 6144 | Framework for IPv4/IPv6 TranslationF. Baker, X. Li, C. Bao, K. Yin | Informational | April 2011 |
| 6146 | Stateful NAT64: Network Address and Protocol Translation from IPv6 Clients to IPv4 ServersM. Bagnulo, P. Matthews, I. van Beijnum | Proposed Standard | April 2011 |