| 1323 | TCP Extensions for High PerformanceV. Jacobson, R. Braden, D. Borman · obsoleted by RFC 7323 | Proposed Standard | May 1992 |
| 1546 | Host Anycasting ServiceC. Partridge, T. Mendez, W. Milliken | Informational | November 1993 |
| 1597 | Address Allocation for Private InternetsY. Rekhter, B. Moskowitz, D. Karrenberg, G. de Groot · obsoleted by RFC 1918 | Informational | March 1994 |
| 1633 | Integrated Services in the Internet Architecture: an OverviewR. Braden, D. Clark, S. Shenker | Informational | June 1994 |
| 1889 | RTP: A Transport Protocol for Real-Time ApplicationsAudio-Video Transport Working Group, H. Schulzrinne, S. Casner, R. Frederick, V. Jacobson · obsoleted by RFC 3550 | Proposed Standard | January 1996 |
| 1918 | Address Allocation for Private InternetsY. Rekhter, B. Moskowitz, D. Karrenberg, G. J. de Groot, E. Lear | Best Current Practice | February 1996 |
| 1928 | SOCKS Protocol Version 5M. Leech, M. Ganis, Y. Lee, R. Kuris, D. Koblas, L. Jones | Proposed Standard | March 1996 |
| 1958 | Architectural Principles of the InternetB. Carpenter, Ed. | Informational | June 1996 |
| 2018 | TCP Selective Acknowledgment OptionsM. Mathis, J. Mahdavi, S. Floyd, A. Romanow | Proposed Standard | October 1996 |
| 2052 | A DNS RR for specifying the location of services (DNS SRV)A. Gulbrandsen, P. Vixie · obsoleted by RFC 2782 | Experimental | October 1996 |
| 2101 | IPv4 Address Behaviour TodayB. Carpenter, J. Crowcroft, Y. Rekhter | Informational | February 1997 |
| 2210 | The Use of RSVP with IETF Integrated ServicesJ. Wroclawski | Proposed Standard | September 1997 |
| 2309 | Recommendations on Queue Management and Congestion Avoidance in the InternetB. Braden, D. Clark, J. Crowcroft, B. Davie, S. Deering, D. Estrin, S. Floyd, V. Jacobson, G. Minshall, C. Partridge, L. Peterson, K. Ramakrishnan, S. Shenker, J. Wroclawski, L. Zhang · obsoleted by RFC 7567 | Informational | April 1998 |
| 2326 | Real Time Streaming Protocol (RTSP)H. Schulzrinne, A. Rao, R. Lanphier · obsoleted by RFC 7826 | Proposed Standard | April 1998 |
| 2401 | Security Architecture for the Internet ProtocolS. Kent, R. Atkinson · obsoleted by RFC 4301 | Proposed Standard | November 1998 |
| 2475 | An Architecture for Differentiated ServicesS. Blake, D. Black, M. Carlson, E. Davies, Z. Wang, W. Weiss | Informational | December 1998 |
| 2581 | TCP Congestion ControlM. Allman, V. Paxson, W. Stevens · obsoleted by RFC 5681 | Proposed Standard | April 1999 |