| 9063 | Host Identity Protocol ArchitectureR. Moskowitz, Ed., M. Komu | Informational | July 2021 |
| 9028 | Native NAT Traversal Mode for the Host Identity ProtocolA. Keränen, J. Melén, M. Komu, Ed. | Experimental | July 2021 |
| 8047 | Host Multihoming with the Host Identity ProtocolT. Henderson, Ed., C. Vogt, J. Arkko | Proposed Standard | February 2017 |
| 8046 | Host Mobility with the Host Identity ProtocolT. Henderson, Ed., C. Vogt, J. Arkko | Proposed Standard | February 2017 |
| 8005 | Host Identity Protocol (HIP) Domain Name System (DNS) ExtensionJ. Laganier | Proposed Standard | October 2016 |
| 8004 | Host Identity Protocol (HIP) Rendezvous ExtensionJ. Laganier, L. Eggert | Proposed Standard | October 2016 |
| 8003 | Host Identity Protocol (HIP) Registration ExtensionJ. Laganier, L. Eggert | Proposed Standard | October 2016 |
| 8002 | Host Identity Protocol CertificatesT. Heer, S. Varjonen | Proposed Standard | October 2016 |
| 7402 | Using the Encapsulating Security Payload (ESP) Transport Format with the Host Identity Protocol (HIP)P. Jokela, R. Moskowitz, J. Melen | Proposed Standard | April 2015 |
| 7401 | Host Identity Protocol Version 2 (HIPv2)R. Moskowitz, Ed., T. Heer, P. Jokela, T. Henderson | Proposed Standard | April 2015 |
| 7343 | An IPv6 Prefix for Overlay Routable Cryptographic Hash Identifiers Version 2 (ORCHIDv2)J. Laganier, F. Dupont | Proposed Standard | September 2014 |
| 7086 | Host Identity Protocol-Based Overlay Networking Environment (HIP BONE) Instance Specification for REsource LOcation And Discovery (RELOAD)A. Keranen, G. Camarillo, J. Maenpaa | Experimental | January 2014 |
| 6317 | Basic Socket Interface Extensions for the Host Identity Protocol (HIP)M. Komu, T. Henderson | Experimental | July 2011 |
| 6261 | Encrypted Signaling Transport Modes for the Host Identity ProtocolA. Keranen | Experimental | May 2011 |
| 6253 | Host Identity Protocol CertificatesT. Heer, S. Varjonen · obsoleted by RFC 8002 | Experimental | May 2011 |
| 6079 | HIP BONE: Host Identity Protocol (HIP) Based Overlay Networking Environment (BONE)G. Camarillo, P. Nikander, J. Hautakorpi, A. Keranen, A. Johnston | Experimental | January 2011 |
| 6078 | Host Identity Protocol (HIP) Immediate Carriage and Conveyance of Upper-Layer Protocol Signaling (HICCUPS)G. Camarillo, J. Melen | Experimental | January 2011 |
| 6028 | Host Identity Protocol (HIP) Multi-Hop Routing ExtensionG. Camarillo, A. Keranen | Experimental | October 2010 |
| 5770 | Basic Host Identity Protocol (HIP) Extensions for Traversal of Network Address TranslatorsM. Komu, T. Henderson, H. Tschofenig, J. Melen, A. Keranen, Ed. | Experimental | April 2010 |
| 5338 | Using the Host Identity Protocol with Legacy ApplicationsT. Henderson, P. Nikander, M. Komu | Experimental | September 2008 |
| 5206 | End-Host Mobility and Multihoming with the Host Identity ProtocolP. Nikander, T. Henderson, Ed., C. Vogt, J. Arkko · obsoleted by RFC 8046 | Experimental | April 2008 |
| 5205 | Host Identity Protocol (HIP) Domain Name System (DNS) ExtensionsP. Nikander, J. Laganier · obsoleted by RFC 8005 | Experimental | April 2008 |
| 5204 | Host Identity Protocol (HIP) Rendezvous ExtensionJ. Laganier, L. Eggert · obsoleted by RFC 8004 | Experimental | April 2008 |
| 5203 | Host Identity Protocol (HIP) Registration ExtensionJ. Laganier, T. Koponen, L. Eggert · obsoleted by RFC 8003 | Experimental | April 2008 |
| 5202 | Using the Encapsulating Security Payload (ESP) Transport Format with the Host Identity Protocol (HIP)P. Jokela, R. Moskowitz, P. Nikander · obsoleted by RFC 7402 | Experimental | April 2008 |
| 5201 | Host Identity ProtocolR. Moskowitz, P. Nikander, P. Jokela, Ed., T. Henderson · obsoleted by RFC 7401 | Experimental | April 2008 |
| 4423 | Host Identity Protocol (HIP) ArchitectureR. Moskowitz, P. Nikander · obsoleted by RFC 9063 | Informational | May 2006 |