| 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 |
| 3306 | Unicast-Prefix-based IPv6 Multicast AddressesB. Haberman, D. Thaler | Proposed Standard | September 2002 |
| 3307 | Allocation Guidelines for IPv6 Multicast AddressesB. Haberman | Proposed Standard | September 2002 |
| 3972 | Cryptographically Generated Addresses (CGA)T. Aura | Proposed Standard | March 2005 |
| 4291 | IP Version 6 Addressing ArchitectureR. Hinden, S. Deering | Draft Standard | February 2006 |
| 4862 | IPv6 Stateless Address AutoconfigurationS. Thomson, T. Narten, T. Jinmei | Draft Standard | September 2007 |
| 4941 | Privacy Extensions for Stateless Address Autoconfiguration in IPv6T. Narten, R. Draves, S. Krishnan · obsoleted by RFC 8981 | Draft Standard | September 2007 |
| 4982 | Support for Multiple Hash Algorithms in Cryptographically Generated Addresses (CGAs)M. Bagnulo, J. Arkko | Proposed Standard | July 2007 |
| 5214 | Intra-Site Automatic Tunnel Addressing Protocol (ISATAP)F. Templin, T. Gleeson, D. Thaler | 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 |
| 5453 | Reserved IPv6 Interface IdentifiersS. Krishnan | Proposed Standard | February 2009 |
| 5535 | Hash-Based Addresses (HBA)M. Bagnulo | Proposed Standard | June 2009 |
| 5741 | RFC Streams, Headers, and BoilerplatesL. Daigle, Ed., O. Kolkman, Ed., IAB · obsoleted by RFC 7841 | Informational | December 2009 |
| 6052 | IPv6 Addressing of IPv4/IPv6 TranslatorsC. Bao, C. Huitema, M. Bagnulo, M. Boucadair, X. Li | Proposed Standard | October 2010 |
| 6164 | Using 127-Bit IPv6 Prefixes on Inter-Router LinksM. Kohno, B. Nitzan, R. Bush, Y. Matsuzaki, L. Colitti, T. Narten | Proposed Standard | April 2011 |
| 6741 | Identifier-Locator Network Protocol (ILNP) Engineering ConsiderationsRJ Atkinson, SN Bhatti | Experimental | November 2012 |
| 6775 | Neighbor Discovery Optimization for IPv6 over Low-Power Wireless Personal Area Networks (6LoWPANs)Z. Shelby, Ed., S. Chakrabarti, E. Nordmark, C. Bormann | Proposed Standard | November 2012 |
| 6957 | Duplicate Address Detection ProxyF. Costa, J-M. Combes, Ed., X. Pougnard, H. Li | Proposed Standard | June 2013 |
| 7042 | IANA Considerations and IETF Protocol and Documentation Usage for IEEE 802 ParametersD. Eastlake 3rd, J. Abley · obsoleted by RFC 9542 | Best Current Practice | October 2013 |