| 1191 | Path MTU discoveryJ. Mogul, S. Deering | Draft Standard | November 1990 |
| 1337 | TIME-WAIT Assassination Hazards in TCPR. Braden | Informational | May 1992 |
| 1700 | Assigned NumbersJ. Reynolds, J. Postel · obsoleted by RFC 3232 | Historic | October 1994 |
| 1918 | Address Allocation for Private InternetsY. Rekhter, B. Moskowitz, D. Karrenberg, G. J. de Groot, E. Lear | Best Current Practice | February 1996 |
| 2140 | TCP Control Block InterdependenceJ. Touch · obsoleted by RFC 9040 | Informational | April 1997 |
| 2663 | IP Network Address Translator (NAT) Terminology and ConsiderationsP. Srisuresh, M. Holdrege | Informational | August 1999 |
| 2782 | A DNS RR for specifying the location of services (DNS SRV)A. Gulbrandsen, P. Vixie, L. Esibov | Proposed Standard | February 2000 |
| 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 |
| 3056 | Connection of IPv6 Domains via IPv4 CloudsB. Carpenter, K. Moore | Proposed Standard | February 2001 |
| 3232 | Assigned Numbers: RFC 1700 is Replaced by an On-line DatabaseJ. Reynolds, Ed. | Informational | January 2002 |
| 3715 | IPsec-Network Address Translation (NAT) Compatibility RequirementsB. Aboba, W. Dixon | Informational | March 2004 |
| 3947 | Negotiation of NAT-Traversal in the IKET. Kivinen, B. Swander, A. Huttunen, V. Volpe | Proposed Standard | January 2005 |
| 4380 | Teredo: Tunneling IPv6 over UDP through Network Address Translations (NATs)C. Huitema | Proposed Standard | February 2006 |
| 4787 | Network Address Translation (NAT) Behavioral Requirements for Unicast UDPF. Audet, Ed., C. Jennings | Best Current Practice | January 2007 |
| 5135 | IP Multicast Requirements for a Network Address Translator (NAT) and a Network Address Port Translator (NAPT)D. Wing, T. Eckert | Best Current Practice | February 2008 |
| 5508 | NAT Behavioral Requirements for ICMPP. Srisuresh, B. Ford, S. Sivakumar, S. Guha | Best Current Practice | April 2009 |
| 5741 | RFC Streams, Headers, and BoilerplatesL. Daigle, Ed., O. Kolkman, Ed., IAB · obsoleted by RFC 7841 | Informational | December 2009 |
| 5961 | Improving TCP's Robustness to Blind In-Window AttacksA. Ramaiah, R. Stewart, M. Dalal | Proposed Standard | August 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 |
| 6056 | Recommendations for Transport-Protocol Port RandomizationM. Larsen, F. Gont | Best Current Practice | January 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 |