| 791 | Internet ProtocolJ. Postel | Internet Standard | September 1981 |
| 815 | IP datagram reassembly algorithmsD.D. Clark | Unknown | July 1982 |
| 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 |
| 919 | Broadcasting Internet DatagramsJ.C. Mogul | Internet Standard | October 1984 |
| 950 | Internet Standard Subnetting ProcedureJ.C. Mogul, J. Postel | Internet Standard | August 1985 |
| 1038 | Draft revised IP security optionM. St. Johns · obsoleted by RFC 1108 | Unknown | January 1988 |
| 1063 | IP MTU discovery optionsJ.C. Mogul, C.A. Kent, C. Partridge, K. McCloghrie · obsoleted by RFC 1191 | Unknown | July 1988 |
| 1108 | U.S. Department of Defense Security Options for the Internet ProtocolS. Kent | Historic | November 1991 |
| 1112 | Host extensions for IP multicastingS.E. Deering | Internet Standard | August 1989 |
| 1122 | Requirements for Internet Hosts - Communication LayersR. Braden, Ed. | Internet Standard | October 1989 |
| 1191 | Path MTU discoveryJ. Mogul, S. Deering | Draft Standard | November 1990 |
| 1349 | Type of Service in the Internet Protocol SuiteP. Almquist · obsoleted by RFC 2474 | Proposed Standard | July 1992 |
| 1393 | Traceroute Using an IP OptionG. Malkin · obsoleted by RFC 6814 | Historic | January 1993 |
| 1770 | IPv4 Option for Sender Directed Multi-Destination DeliveryC. Graff · obsoleted by RFC 6814 | Historic | March 1995 |
| 1812 | Requirements for IP Version 4 RoutersF. Baker, Ed. | Proposed Standard | June 1995 |
| 1858 | Security Considerations for IP Fragment FilteringG. Ziemba, D. Reed, P. Traina | Informational | October 1995 |
| 1918 | Address Allocation for Private InternetsY. Rekhter, B. Moskowitz, D. Karrenberg, G. J. de Groot, E. Lear | Best Current Practice | February 1996 |
| 2113 | IP Router Alert OptionD. Katz | Proposed Standard | February 1997 |
| 2119 | Key words for use in RFCs to Indicate Requirement LevelsS. Bradner | Best Current Practice | March 1997 |
| 2474 | Definition of the Differentiated Services Field (DS Field) in the IPv4 and IPv6 HeadersK. Nichols, S. Blake, F. Baker, D. Black | Proposed Standard | December 1998 |
| 2475 | An Architecture for Differentiated ServicesS. Blake, D. Black, M. Carlson, E. Davies, Z. Wang, W. Weiss | Informational | December 1998 |
| 2544 | Benchmarking Methodology for Network Interconnect DevicesS. Bradner, J. McQuaid | Informational | March 1999 |
| 2644 | Changing the Default for Directed Broadcasts in RoutersD. Senie | Best Current Practice | August 1999 |
| 2827 | Network Ingress Filtering: Defeating Denial of Service Attacks which employ IP Source Address SpoofingP. Ferguson, D. Senie | Best Current Practice | May 2000 |
| 3128 | Protection Against a Variant of the Tiny Fragment Attack (RFC 1858)I. Miller | Informational | June 2001 |
| 3168 | The Addition of Explicit Congestion Notification (ECN) to IPK. Ramakrishnan, S. Floyd, D. Black | Proposed Standard | September 2001 |
| 3530 | Network File System (NFS) version 4 ProtocolS. Shepler, B. Callaghan, D. Robinson, R. Thurlow, C. Beame, M. Eisler, D. Noveck · obsoleted by RFC 7530 | Proposed Standard | April 2003 |
| 3704 | Ingress Filtering for Multihomed NetworksF. Baker, P. Savola | Best Current Practice | March 2004 |
| 3927 | Dynamic Configuration of IPv4 Link-Local AddressesS. Cheshire, B. Aboba, E. Guttman | Proposed Standard | May 2005 |
| 4086 | Randomness Requirements for SecurityD. Eastlake 3rd, J. Schiller, S. Crocker | Best Current Practice | June 2005 |
| 4632 | Classless Inter-domain Routing (CIDR): The Internet Address Assignment and Aggregation PlanV. Fuller, T. Li | Best Current Practice | August 2006 |
| 4821 | Packetization Layer Path MTU DiscoveryM. Mathis, J. Heffner | Proposed Standard | March 2007 |
| 4963 | IPv4 Reassembly Errors at High Data RatesJ. Heffner, M. Mathis, B. Chandler | Informational | July 2007 |
| 4987 | TCP SYN Flooding Attacks and Common MitigationsW. Eddy | Informational | August 2007 |
| 5082 | The Generalized TTL Security Mechanism (GTSM)V. Gill, J. Heasley, D. Meyer, P. Savola, Ed., C. Pignataro | Proposed Standard | October 2007 |
| 5350 | IANA Considerations for the IPv4 and IPv6 Router Alert OptionsJ. Manner, A. McDonald | Proposed Standard | September 2008 |
| 5559 | Pre-Congestion Notification (PCN) ArchitectureP. Eardley, Ed. | Informational | June 2009 |
| 5570 | Common Architecture Label IPv6 Security Option (CALIPSO)M. StJohns, R. Atkinson, G. Thomas | Informational | July 2009 |
| 5670 | Metering and Marking Behaviour of PCN-NodesP. Eardley, Ed. | Proposed Standard | November 2009 |
| 5696 | Baseline Encoding and Transport of Pre-Congestion InformationT. Moncaster, B. Briscoe, M. Menth · obsoleted by RFC 6660 | Proposed Standard | November 2009 |
| 5735 | Special Use IPv4 AddressesM. Cotton, L. Vegoda · obsoleted by RFC 6890 | Best Current Practice | January 2010 |
| 5741 | RFC Streams, Headers, and BoilerplatesL. Daigle, Ed., O. Kolkman, Ed., IAB · obsoleted by RFC 7841 | Informational | December 2009 |
| 5927 | ICMP Attacks against TCPF. Gont | Informational | July 2010 |
| 6040 | Tunnelling of Explicit Congestion NotificationB. Briscoe | Proposed Standard | November 2010 |