| 1700 | Assigned NumbersJ. Reynolds, J. Postel · obsoleted by RFC 3232 | Historic | October 1994 |
| 1750 | Randomness Recommendations for SecurityD. Eastlake 3rd, S. Crocker, J. Schiller · obsoleted by RFC 4086 | Informational | December 1994 |
| 2003 | IP Encapsulation within IPC. Perkins | Proposed Standard | October 1996 |
| 2004 | Minimal Encapsulation within IPC. Perkins | Proposed Standard | October 1996 |
| 2104 | HMAC: Keyed-Hashing for Message AuthenticationH. Krawczyk, M. Bellare, R. Canetti | Informational | February 1997 |
| 2119 | Key words for use in RFCs to Indicate Requirement LevelsS. Bradner | Best Current Practice | March 1997 |
| 2373 | IP Version 6 Addressing ArchitectureR. Hinden, S. Deering · obsoleted by RFC 3513 | Proposed Standard | July 1998 |
| 2401 | Security Architecture for the Internet ProtocolS. Kent, R. Atkinson · obsoleted by RFC 4301 | Proposed Standard | November 1998 |
| 2402 | IP Authentication HeaderS. Kent, R. Atkinson · obsoleted by RFC 4302, RFC 4305 | Proposed Standard | November 1998 |
| 2406 | IP Encapsulating Security Payload (ESP)S. Kent, R. Atkinson · obsoleted by RFC 4303, RFC 4305 | Proposed Standard | November 1998 |
| 2407 | The Internet IP Security Domain of Interpretation for ISAKMPD. Piper · obsoleted by RFC 4306 | Historic | November 1998 |
| 2408 | Internet Security Association and Key Management Protocol (ISAKMP)D. Maughan, M. Schertler, M. Schneider, J. Turner · obsoleted by RFC 4306 | Historic | November 1998 |
| 2409 | The Internet Key Exchange (IKE)D. Harkins, D. Carrel · obsoleted by RFC 4306 | Historic | November 1998 |
| 2434 | Guidelines for Writing an IANA Considerations Section in RFCsT. Narten, H. Alvestrand · obsoleted by RFC 5226 | Best Current Practice | October 1998 |
| 2460 | Internet Protocol, Version 6 (IPv6) SpecificationS. Deering, R. Hinden · obsoleted by RFC 8200 | Draft Standard | December 1998 |
| 2461 | Neighbor Discovery for IP Version 6 (IPv6)T. Narten, E. Nordmark, W. Simpson · obsoleted by RFC 4861 | Draft Standard | December 1998 |
| 2462 | IPv6 Stateless Address AutoconfigurationS. Thomson, T. Narten · obsoleted by RFC 4862 | Draft Standard | December 1998 |
| 2463 | Internet Control Message Protocol (ICMPv6) for the Internet Protocol Version 6 (IPv6) SpecificationA. Conta, S. Deering · obsoleted by RFC 4443 | Draft Standard | December 1998 |
| 2473 | Generic Packet Tunneling in IPv6 SpecificationA. Conta, S. Deering | Proposed Standard | December 1998 |
| 2526 | Reserved IPv6 Subnet Anycast AddressesD. Johnson, S. Deering | Proposed Standard | March 1999 |
| 2710 | Multicast Listener Discovery (MLD) for IPv6S. Deering, W. Fenner, B. Haberman | Proposed Standard | October 1999 |
| 2827 | Network Ingress Filtering: Defeating Denial of Service Attacks which employ IP Source Address SpoofingP. Ferguson, D. Senie | Best Current Practice | May 2000 |
| 3041 | Privacy Extensions for Stateless Address Autoconfiguration in IPv6T. Narten, R. Draves · obsoleted by RFC 4941 | Proposed Standard | January 2001 |
| 3232 | Assigned Numbers: RFC 1700 is Replaced by an On-line DatabaseJ. Reynolds, Ed. | Informational | January 2002 |
| 3315 | Dynamic Host Configuration Protocol for IPv6 (DHCPv6)R. Droms, Ed., J. Bound, B. Volz, T. Lemon, C. Perkins, M. Carney · obsoleted by RFC 8415 | Proposed Standard | July 2003 |
| 3344 | IP Mobility Support for IPv4C. Perkins, Ed. · obsoleted by RFC 5944 | Proposed Standard | August 2002 |
| 3484 | Default Address Selection for Internet Protocol version 6 (IPv6)R. Draves · obsoleted by RFC 6724 | Proposed Standard | March 2003 |
| 3513 | Internet Protocol Version 6 (IPv6) Addressing ArchitectureR. Hinden, S. Deering · obsoleted by RFC 4291 | Proposed Standard | April 2003 |
| 3627 | Use of /127 Prefix Length Between Routers Considered HarmfulP. Savola · obsoleted by RFC 6547 | Historic | September 2003 |
| 3776 | Using IPsec to Protect Mobile IPv6 Signaling Between Mobile Nodes and Home AgentsJ. Arkko, V. Devarapalli, F. Dupont | Proposed Standard | June 2004 |
| 3810 | Multicast Listener Discovery Version 2 (MLDv2) for IPv6R. Vida, Ed., L. Costa, Ed. · obsoleted by RFC 9777 | Proposed Standard | June 2004 |