| 791 | Internet ProtocolJ. Postel | Internet Standard | September 1981 |
| 1122 | Requirements for Internet Hosts - Communication LayersR. Braden, Ed. | Internet Standard | October 1989 |
| 1144 | Compressing TCP/IP Headers for Low-Speed Serial LinksV. Jacobson | Proposed Standard | February 1990 |
| 1812 | Requirements for IP Version 4 RoutersF. Baker, Ed. | Proposed Standard | June 1995 |
| 2003 | IP Encapsulation within IPC. Perkins | Proposed Standard | October 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 |
| 2508 | Compressing IP/UDP/RTP Headers for Low-Speed Serial LinksS. Casner, V. Jacobson | Proposed Standard | February 1999 |
| 2671 | Extension Mechanisms for DNS (EDNS0)P. Vixie · obsoleted by RFC 6891 | Proposed Standard | August 1999 |
| 3022 | Traditional IP Network Address Translator (Traditional NAT)P. Srisuresh, K. Egevang | Informational | January 2001 |
| 3545 | Enhanced Compressed RTP (CRTP) for Links with High Delay, Packet Loss and ReorderingT. Koren, S. Casner, J. Geevarghese, B. Thompson, P. Ruddy | Proposed Standard | July 2003 |
| 3828 | The Lightweight User Datagram Protocol (UDP-Lite)L-A. Larzon, M. Degermark, S. Pink, L-E. Jonsson, Ed., G. Fairhurst, Ed. | Proposed Standard | July 2004 |
| 4301 | Security Architecture for the Internet ProtocolS. Kent, K. Seo | Proposed Standard | December 2005 |
| 4302 | IP Authentication HeaderS. Kent | Proposed Standard | December 2005 |
| 4443 | Internet Control Message Protocol (ICMPv6) for the Internet Protocol Version 6 (IPv6) SpecificationA. Conta, S. Deering, M. Gupta, Ed. | Internet Standard | March 2006 |
| 4960 | Stream Control Transmission ProtocolR. Stewart, Ed. · obsoleted by RFC 9260 | Proposed Standard | September 2007 |
| 4963 | IPv4 Reassembly Errors at High Data RatesJ. Heffner, M. Mathis, B. Chandler | Informational | July 2007 |
| 5225 | RObust Header Compression Version 2 (ROHCv2): Profiles for RTP, UDP, IP, ESP and UDP-LiteG. Pelletier, K. Sandlund | Proposed Standard | April 2008 |
| 5320 | The Subnetwork Encapsulation and Adaptation Layer (SEAL)F. Templin, Ed. | Experimental | February 2010 |
| 5741 | RFC Streams, Headers, and BoilerplatesL. Daigle, Ed., O. Kolkman, Ed., IAB · obsoleted by RFC 7841 | Informational | December 2009 |
| 6145 | IP/ICMP Translation AlgorithmX. Li, C. Bao, F. Baker · obsoleted by RFC 7915 | Proposed Standard | April 2011 |
| 6219 | The China Education and Research Network (CERNET) IVI Translation Design and Deployment for the IPv4/IPv6 Coexistence and TransitionX. Li, C. Bao, M. Chen, H. Zhang, J. Wu | Informational | May 2011 |
| 6621 | Simplified Multicast ForwardingJ. Macker, Ed. | Experimental | May 2012 |