| 791 | Internet ProtocolJ. Postel | Internet Standard | September 1981 |
| 792 | Internet Control Message ProtocolJ. Postel | Internet Standard | September 1981 |
| 826 | An Ethernet Address Resolution Protocol: Or Converting Network Protocol Addresses to 48.bit Ethernet Address for Transmission on Ethernet HardwareD. Plummer | Internet Standard | November 1982 |
| 1305 | Network Time Protocol (Version 3) Specification, Implementation and AnalysisD. Mills · obsoleted by RFC 5905 | Historic | March 1992 |
| 1332 | The PPP Internet Protocol Control Protocol (IPCP)G. McGregor | Proposed Standard | May 1992 |
| 1661 | The Point-to-Point Protocol (PPP)W. Simpson, Ed. | Internet Standard | July 1994 |
| 1994 | PPP Challenge Handshake Authentication Protocol (CHAP)W. Simpson | Draft Standard | August 1996 |
| 2119 | Key words for use in RFCs to Indicate Requirement LevelsS. Bradner | Best Current Practice | March 1997 |
| 2131 | Dynamic Host Configuration ProtocolR. Droms | Draft Standard | March 1997 |
| 3024 | Reverse Tunneling for Mobile IP, revisedG. Montenegro, Ed. | Proposed Standard | January 2001 |
| 3344 | IP Mobility Support for IPv4C. Perkins, Ed. · obsoleted by RFC 5944 | Proposed Standard | August 2002 |
| 3543 | Registration Revocation in Mobile IPv4S. Glass, M. Chandra | Proposed Standard | August 2003 |
| 3748 | Extensible Authentication Protocol (EAP)B. Aboba, L. Blunk, J. Vollbrecht, J. Carlson, H. Levkowetz, Ed. | Proposed Standard | June 2004 |
| 4058 | Protocol for Carrying Authentication for Network Access (PANA) RequirementsA. Yegin, Ed., Y. Ohba, R. Penno, G. Tsirtsis, C. Wang | Informational | May 2005 |
| 4301 | Security Architecture for the Internet ProtocolS. Kent, K. Seo | Proposed Standard | December 2005 |
| 4303 | IP Encapsulating Security Payload (ESP)S. Kent | Proposed Standard | December 2005 |
| 4332 | Cisco's Mobile IPv4 Host Configuration ExtensionsK. Leung, A. Patel, G. Tsirtsis, E. Klovning | Informational | December 2005 |
| 4433 | Mobile IPv4 Dynamic Home Agent (HA) AssignmentM. Kulkarni, A. Patel, K. Leung | Proposed Standard | March 2006 |
| 4436 | Detecting Network Attachment in IPv4 (DNAv4)B. Aboba, J. Carlson, S. Cheshire | Proposed Standard | March 2006 |
| 5213 | Proxy Mobile IPv6S. Gundavelli, Ed., K. Leung, V. Devarapalli, K. Chowdhury, B. Patil | Proposed Standard | August 2008 |
| 5226 | Guidelines for Writing an IANA Considerations Section in RFCsT. Narten, H. Alvestrand · obsoleted by RFC 8126 | Best Current Practice | May 2008 |
| 5454 | Dual-Stack Mobile IPv4G. Tsirtsis, V. Park, H. Soliman | Proposed Standard | March 2009 |
| 5741 | RFC Streams, Headers, and BoilerplatesL. Daigle, Ed., O. Kolkman, Ed., IAB · obsoleted by RFC 7841 | Informational | December 2009 |