| 1349 | Type of Service in the Internet Protocol SuiteP. Almquist · obsoleted by RFC 2474 | Proposed Standard | July 1992 |
| 1332 | The PPP Internet Protocol Control Protocol (IPCP)G. McGregor | Proposed Standard | May 1992 |
| 1331 | The Point-to-Point Protocol (PPP) for the Transmission of Multi-protocol Datagrams over Point-to-Point LinksW. Simpson · obsoleted by RFC 1548 | Proposed Standard | May 1992 |
| 1329 | Thoughts on Address Resolution for Dual MAC FDDI NetworksP. Kuehn | Informational | May 1992 |
| 1325 | FYI on Questions and Answers Answers to Commonly asked "New Internet User" QuestionsG. Malkin, A. Marine · obsoleted by RFC 1594 | Informational | May 1992 |
| 1310 | The Internet Standards ProcessL. Chapin · obsoleted by RFC 1602 | Informational | March 1992 |
| 1294 | Multiprotocol Interconnect over Frame RelayT. Bradley, C. Brown, A. Malis · obsoleted by RFC 1490, RFC 2427 | Proposed Standard | January 1992 |
| 1293 | Inverse Address Resolution ProtocolT. Bradley, C. Brown · obsoleted by RFC 2390 | Proposed Standard | January 1992 |
| 1280 | IAB Official Protocol StandardsJ. Postel · obsoleted by RFC 1360 | Historic | March 1992 |
| 1250 | IAB Official Protocol StandardsJ. Postel · obsoleted by RFC 1280, RFC 2200 | Historic | August 1991 |
| 1247 | OSPF Version 2J. Moy · obsoleted by RFC 1583 | Draft Standard | July 1991 |
| 1246 | Experience with the OSPF ProtocolJ. Moy | Informational | July 1991 |
| 1234 | Tunneling IPX traffic through IP networksD. Provan | Historic | June 1991 |
| 1225 | Post Office Protocol: Version 3M.T. Rose · obsoleted by RFC 1460 | Draft Standard | May 1991 |
| 1224 | Techniques for managing asynchronously generated alertsL. Steinberg | Experimental | May 1991 |
| 1221 | Host Access Protocol (HAP) specification: Version 2W. Edmond | Informational | April 1991 |
| 1209 | The Transmission of IP Datagrams over the SMDS ServiceD. Piscitello, J. Lawrence | Internet Standard | March 1991 |
| 1207 | FYI on Questions and Answers: Answers to commonly asked "experienced Internet user" questionsG.S. Malkin, A.N. Marine, J.K. Reynolds | Informational | February 1991 |
| 1206 | FYI on Questions and Answers: Answers to commonly asked "new Internet user" questionsG.S. Malkin, A.N. Marine · obsoleted by RFC 1325 | Informational | February 1991 |
| 1201 | Transmitting IP traffic over ARCNET networksD. Provan | Internet Standard | February 1991 |
| 1200 | IAB official protocol standardsDefense Advanced Research Projects Agency, Internet Activities Board · obsoleted by RFC 1250 | Historic | April 1991 |
| 1190 | Experimental Internet Stream Protocol: Version 2 (ST-II)C. Topolcic · obsoleted by RFC 1819 | Experimental | October 1990 |
| 1188 | Proposed Standard for the Transmission of IP Datagrams over FDDI NetworksD. Katz | Draft Standard | October 1990 |
| 1177 | FYI on Questions and Answers: Answers to commonly asked "new internet user" questionsG.S. Malkin, A.N. Marine, J.K. Reynolds · obsoleted by RFC 1206 | Informational | August 1990 |
| 1175 | FYI on where to start: A bibliography of internetworking informationK.L. Bowers, T.L. LaQuey, J.K. Reynolds, K. Roubicek, M.K. Stahl, A. Yuan | Informational | August 1990 |
| 1172 | Point-to-Point Protocol (PPP) initial configuration optionsD. Perkins, R. Hobby · obsoleted by RFC 1331, RFC 1332 | Proposed Standard | July 1990 |
| 1171 | Point-to-Point Protocol for the transmission of multi-protocol datagrams over Point-to-Point linksD. Perkins · obsoleted by RFC 1331 | Draft Standard | July 1990 |
| 1140 | IAB official protocol standardsDefense Advanced Research Projects Agency, Internet Activities Board · obsoleted by RFC 1200 | Historic | May 1990 |