| 20 | ASCII format for network interchangeV.G. Cerf | Internet Standard | October 1969 |
| 738 | Time serverK. Harrenstien | Unknown | October 1977 |
| 791 | Internet ProtocolJ. Postel | Internet Standard | September 1981 |
| 2119 | Key words for use in RFCs to Indicate Requirement LevelsS. Bradner | Best Current Practice | March 1997 |
| 3986 | Uniform Resource Identifier (URI): Generic SyntaxT. Berners-Lee, R. Fielding, L. Masinter | Internet Standard | January 2005 |
| 4086 | Randomness Requirements for SecurityD. Eastlake 3rd, J. Schiller, S. Crocker | Best Current Practice | June 2005 |
| 4291 | IP Version 6 Addressing ArchitectureR. Hinden, S. Deering | Draft Standard | February 2006 |
| 4648 | The Base16, Base32, and Base64 Data EncodingsS. Josefsson | Proposed Standard | October 2006 |
| 5905 | Network Time Protocol Version 4: Protocol and Algorithms SpecificationD. Mills, J. Martin, Ed., J. Burbank, W. Kasch | Proposed Standard | June 2010 |
| 6234 | US Secure Hash Algorithms (SHA and SHA-based HMAC and HKDF)D. Eastlake 3rd, T. Hansen | Informational | May 2011 |
| 7841 | RFC Streams, Headers, and BoilerplatesJ. Halpern, Ed., L. Daigle, Ed., O. Kolkman, Ed. | Informational | May 2016 |
| 8032 | Edwards-Curve Digital Signature Algorithm (EdDSA)S. Josefsson, I. Liusvaara | Informational | January 2017 |
| 8085 | UDP Usage GuidelinesL. Eggert, G. Fairhurst, G. Shepherd | Best Current Practice | March 2017 |
| 8126 | Guidelines for Writing an IANA Considerations Section in RFCsM. Cotton, B. Leiba, T. Narten | Best Current Practice | June 2017 |
| 8174 | Ambiguity of Uppercase vs Lowercase in RFC 2119 Key WordsB. Leiba | Best Current Practice | May 2017 |
| 8259 | The JavaScript Object Notation (JSON) Data Interchange FormatT. Bray, Ed. | Internet Standard | December 2017 |
| 8633 | Network Time Protocol Best Current PracticesD. Reilly, H. Stenn, D. Sibold | Best Current Practice | July 2019 |
| 8915 | Network Time Security for the Network Time ProtocolD. Franke, D. Sibold, K. Teichel, M. Dansarie, R. Sundblad | Proposed Standard | September 2020 |
| 9110 | HTTP SemanticsR. Fielding, Ed., M. Nottingham, Ed., J. Reschke, Ed. | Internet Standard | June 2022 |
| 9170 | Long-Term Viability of Protocol Extension MechanismsM. Thomson, T. Pauly | Informational | December 2021 |
| 9523 | A Secure Selection and Filtering Mechanism for the Network Time Protocol with KhronosN. Rozen-Schiff, D. Dolev, T. Mizrahi, M. Schapira | Informational | February 2024 |
| 9844 | Entering IPv6 Zone Identifiers in User InterfacesB. Carpenter, R. Hinden | Proposed Standard | August 2025 |