| 1071 | Computing the Internet checksumR.T. Braden, D.A. Borman, C. Partridge | Informational | September 1988 |
| 1624 | Computation of the Internet Checksum via Incremental UpdateA. Rijsinghani, Ed. | Informational | May 1994 |
| 1918 | Address Allocation for Private InternetsY. Rekhter, B. Moskowitz, D. Karrenberg, G. J. de Groot, E. Lear | Best Current Practice | February 1996 |
| 2119 | Key words for use in RFCs to Indicate Requirement LevelsS. Bradner | Best Current Practice | March 1997 |
| 2526 | Reserved IPv6 Subnet Anycast AddressesD. Johnson, S. Deering | Proposed Standard | March 1999 |
| 2827 | Network Ingress Filtering: Defeating Denial of Service Attacks which employ IP Source Address SpoofingP. Ferguson, D. Senie | Best Current Practice | May 2000 |
| 2993 | Architectural Implications of NATT. Hain | Informational | November 2000 |
| 3424 | IAB Considerations for UNilateral Self-Address Fixing (UNSAF) Across Network Address TranslationL. Daigle, Ed., IAB | Informational | November 2002 |
| 3484 | Default Address Selection for Internet Protocol version 6 (IPv6)R. Draves · obsoleted by RFC 6724 | Proposed Standard | March 2003 |
| 4193 | Unique Local IPv6 Unicast AddressesR. Hinden, B. Haberman | Proposed Standard | October 2005 |
| 4291 | IP Version 6 Addressing ArchitectureR. Hinden, S. Deering | Draft Standard | February 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 |
| 4787 | Network Address Translation (NAT) Behavioral Requirements for Unicast UDPF. Audet, Ed., C. Jennings | Best Current Practice | January 2007 |
| 4864 | Local Network Protection for IPv6G. Van de Velde, T. Hain, R. Droms, B. Carpenter, E. Klein | Informational | May 2007 |
| 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 |
| 5389 | Session Traversal Utilities for NAT (STUN)J. Rosenberg, R. Mahy, P. Matthews, D. Wing · obsoleted by RFC 8489 | Proposed Standard | October 2008 |
| 5741 | RFC Streams, Headers, and BoilerplatesL. Daigle, Ed., O. Kolkman, Ed., IAB · obsoleted by RFC 7841 | Informational | December 2009 |
| 5766 | Traversal Using Relays around NAT (TURN): Relay Extensions to Session Traversal Utilities for NAT (STUN)R. Mahy, P. Matthews, J. Rosenberg · obsoleted by RFC 8656 | Proposed Standard | April 2010 |
| 5902 | IAB Thoughts on IPv6 Network Address TranslationD. Thaler, L. Zhang, G. Lebovitz | Informational | July 2010 |
| 5925 | The TCP Authentication OptionJ. Touch, A. Mankin, R. Bonica | Proposed Standard | June 2010 |
| 5996 | Internet Key Exchange Protocol Version 2 (IKEv2)C. Kaufman, P. Hoffman, Y. Nir, P. Eronen · obsoleted by RFC 7296 | Proposed Standard | September 2010 |
| 6052 | IPv6 Addressing of IPv4/IPv6 TranslatorsC. Bao, C. Huitema, M. Bagnulo, M. Boucadair, X. Li | Proposed Standard | October 2010 |
| 6092 | Recommended Simple Security Capabilities in Customer Premises Equipment (CPE) for Providing Residential IPv6 Internet ServiceJ. Woodyatt, Ed. | Informational | January 2011 |
| 6144 | Framework for IPv4/IPv6 TranslationF. Baker, X. Li, C. Bao, K. Yin | Informational | April 2011 |
| 6145 | IP/ICMP Translation AlgorithmX. Li, C. Bao, F. Baker · obsoleted by RFC 7915 | Proposed Standard | 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 |
| 6147 | DNS64: DNS Extensions for Network Address Translation from IPv6 Clients to IPv4 ServersM. Bagnulo, A. Sullivan, P. Matthews, I. van Beijnum | Proposed Standard | April 2011 |
| 6204 | Basic Requirements for IPv6 Customer Edge RoutersH. Singh, W. Beebee, C. Donley, B. Stark, O. Troan, Ed. · obsoleted by RFC 7084 | Informational | April 2011 |