| 2026 | The Internet Standards Process -- Revision 3S. Bradner | Best Current Practice | October 1996 |
| 2119 | Key words for use in RFCs to Indicate Requirement LevelsS. Bradner | Best Current Practice | March 1997 |
| 2827 | Network Ingress Filtering: Defeating Denial of Service Attacks which employ IP Source Address SpoofingP. Ferguson, D. Senie | Best Current Practice | May 2000 |
| 3056 | Connection of IPv6 Domains via IPv4 CloudsB. Carpenter, K. Moore | Proposed Standard | February 2001 |
| 3068 | An Anycast Prefix for 6to4 Relay RoutersC. Huitema · obsoleted by RFC 7526 | Historic | June 2001 |
| 3162 | RADIUS and IPv6B. Aboba, G. Zorn, D. Mitton | Proposed Standard | August 2001 |
| 3178 | IPv6 Multihoming Support at Site Exit RoutersJ. Hagino, H. Snyder | Informational | October 2001 |
| 3484 | Default Address Selection for Internet Protocol version 6 (IPv6)R. Draves · obsoleted by RFC 6724 | Proposed Standard | March 2003 |
| 3704 | Ingress Filtering for Multihomed NetworksF. Baker, P. Savola | Best Current Practice | March 2004 |
| 3790 | Survey of IPv4 Addresses in Currently Deployed IETF Internet Area Standards Track and Experimental DocumentsC. Mickles, Ed., P. Nesser, II | Informational | June 2004 |
| 3964 | Security Considerations for 6to4P. Savola, C. Patel | Informational | December 2004 |
| 4191 | Default Router Preferences and More-Specific RoutesR. Draves, D. Thaler | Proposed Standard | November 2005 |
| 4213 | Basic Transition Mechanisms for IPv6 Hosts and RoutersE. Nordmark, R. Gilligan | Proposed Standard | October 2005 |
| 4389 | Neighbor Discovery Proxies (ND Proxy)D. Thaler, M. Talwar, C. Patel | Experimental | April 2006 |
| 4779 | ISP IPv6 Deployment Scenarios in Broadband Access NetworksS. Asadullah, A. Ahmed, C. Popoviciu, P. Savola, J. Palet | Informational | January 2007 |
| 4852 | IPv6 Enterprise Network Analysis - IP Layer 3 FocusJ. Bound, Y. Pouffary, S. Klynsma, T. Chown, D. Green | Informational | April 2007 |
| 4891 | Using IPsec to Secure IPv6-in-IPv4 TunnelsR. Graveman, M. Parthasarathy, P. Savola, H. Tschofenig | Informational | May 2007 |
| 4903 | Multi-Link Subnet IssuesD. Thaler | Informational | June 2007 |
| 5157 | IPv6 Implications for Network ScanningT. Chown · obsoleted by RFC 7707 | Informational | March 2008 |
| 5226 | Guidelines for Writing an IANA Considerations Section in RFCsT. Narten, H. Alvestrand · obsoleted by RFC 8126 | Best Current Practice | May 2008 |
| 5245 | Interactive Connectivity Establishment (ICE): A Protocol for Network Address Translator (NAT) Traversal for Offer/Answer ProtocolsJ. Rosenberg · obsoleted by RFC 8445, RFC 8839 | Proposed Standard | April 2010 |
| 5375 | IPv6 Unicast Address Assignment ConsiderationsG. Van de Velde, C. Popoviciu, T. Chown, O. Bonness, C. Hahn | Informational | December 2008 |
| 5635 | Remote Triggered Black Hole Filtering with Unicast Reverse Path Forwarding (uRPF)W. Kumari, D. McPherson | Informational | August 2009 |
| 5741 | RFC Streams, Headers, and BoilerplatesL. Daigle, Ed., O. Kolkman, Ed., IAB · obsoleted by RFC 7841 | Informational | December 2009 |
| 5969 | IPv6 Rapid Deployment on IPv4 Infrastructures (6rd) -- Protocol SpecificationW. Townsley, O. Troan | Proposed Standard | August 2010 |
| 5971 | GIST: General Internet Signalling TransportH. Schulzrinne, R. Hancock | Experimental | October 2010 |
| 6071 | IP Security (IPsec) and Internet Key Exchange (IKE) Document RoadmapS. Frankel, S. Krishnan | Informational | February 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 |
| 6169 | Security Concerns with IP TunnelingS. Krishnan, D. Thaler, J. Hoagland | Informational | April 2011 |
| 6324 | Routing Loop Attack Using IPv6 Automatic Tunnels: Problem Statement and Proposed MitigationsG. Nakibly, F. Templin | Informational | August 2011 |
| 6343 | Advisory Guidelines for 6to4 DeploymentB. Carpenter | Informational | August 2011 |
| 6555 | Happy Eyeballs: Success with Dual-Stack HostsD. Wing, A. Yourtchenko · obsoleted by RFC 8305 | Proposed Standard | April 2012 |
| 6724 | Default Address Selection for Internet Protocol Version 6 (IPv6)D. Thaler, Ed., R. Draves, A. Matsumoto, T. Chown | Proposed Standard | September 2012 |
| 6732 | 6to4 Provider Managed TunnelsV. Kuarsingh, Ed., Y. Lee, O. Vautrin · obsoleted by RFC 7526 | Historic | September 2012 |
| 6890 | Special-Purpose IP Address RegistriesM. Cotton, L. Vegoda, R. Bonica, Ed., B. Haberman | Best Current Practice | April 2013 |