| 8458 | Using National Bibliography Numbers as Uniform Resource NamesJ. Hakala | Informational | October 2018 |
| 8371 | Mobile Node Identifier Types for MIPv6C. Perkins, V. Devarapalli | Proposed Standard | July 2018 |
| 8254 | Uniform Resource Name (URN) Namespace Registration TransitionJ. Klensin, J. Hakala | Proposed Standard | October 2017 |
| 8141 | Uniform Resource Names (URNs)P. Saint-Andre, J. Klensin | Proposed Standard | April 2017 |
| 8107 | Advertising Digital Identifier (Ad-ID) URN Namespace DefinitionJ. Wold | Informational | March 2017 |
| 8069 | URN Namespace for IEEEA. Thomas | Informational | February 2017 |
| 8057 | Uniform Resource Name (URN) Namespaces for Broadband ForumB. Stark, D. Sinicrope, W. Lupton | Informational | January 2017 |
| 7972 | Entertainment Identifier Registry (EIDR) URN Namespace DefinitionP. Lemieux | Informational | September 2016 |
| 7853 | A URN Namespace for GlobusS. Martin, S. Tuecke, B. McCollam, M. Lidman | Informational | May 2016 |
| 7818 | URN Namespace for MEF DocumentsM. Jethanandani | Informational | March 2016 |
| 7738 | A Uniform Resource Name (URN) Namespace for the Consultative Committee for Space Data Systems (CCSDS)M. Blanchet, A. Schiltknecht, P. Shames | Informational | January 2016 |
| 7643 | System for Cross-domain Identity Management: Core SchemaP. Hunt, Ed., K. Grizzle, E. Wahlstroem, C. Mortimore | Proposed Standard | September 2015 |
| 7595 | Guidelines and Registration Procedures for URI SchemesD. Thaler, Ed., T. Hansen, T. Hardie | Best Current Practice | June 2015 |
| 7528 | A Uniform Resource Name (URN) Namespace for the Hybrid Broadcast Broadband TV (HbbTV) AssociationP. Higgs, J. Piesing | Informational | April 2015 |
| 7467 | URN Namespace for the North Atlantic Treaty Organization (NATO)A. Murdock | Informational | April 2015 |
| 7462 | URNs for the Alert-Info Header Field of the Session Initiation Protocol (SIP)L. Liess, Ed., R. Jesske, A. Johnston, D. Worley, P. Kyzivat | Proposed Standard | March 2015 |
| 7302 | Entertainment Identifier Registry (EIDR) URN Namespace DefinitionP. Lemieux · obsoleted by RFC 7972 | Informational | July 2014 |
| 7255 | Using the International Mobile station Equipment Identity (IMEI) Uniform Resource Name (URN) as an Instance IDA. Allen, Ed. | Informational | May 2014 |
| 7254 | A Uniform Resource Name Namespace for the Global System for Mobile Communications Association (GSMA) and the International Mobile station Equipment Identity (IMEI)M. Montemurro, Ed., A. Allen, D. McDonald, P. Gosden | Informational | May 2014 |
| 7207 | A Uniform Resource Name (URN) Namespace for Eurosystem MessagingM. Ortseifen, G. Dickfeld | Informational | April 2014 |
| 7200 | A Session Initiation Protocol (SIP) Load-Control Event PackageC. Shen, H. Schulzrinne, A. Koike | Proposed Standard | April 2014 |
| 6963 | A Uniform Resource Name (URN) Namespace for ExamplesP. Saint-Andre | Best Current Practice | May 2013 |
| 6893 | A Uniform Resource Name (URN) Namespace for the Open IPTV Forum (OIPF)P. Higgs, P. Szucs | Informational | March 2013 |
| 6796 | A User Agent Profile Data Set for Media PolicyV. Hilt, G. Camarillo, J. Rosenberg, D. Worley | Proposed Standard | December 2012 |
| 6755 | An IETF URN Sub-Namespace for OAuthB. Campbell, H. Tschofenig | Informational | October 2012 |
| 6588 | A URN Namespace for ucodeC. Ishikawa | Informational | April 2012 |
| 6453 | A URN Namespace for the Open Grid Forum (OGF)F. Dijkstra, R. Hughes-Jones | Informational | December 2011 |
| 6338 | Definition of a Uniform Resource Name (URN) Namespace for the Schema for Academia (SCHAC)V. Giralt, R. McDuff | Informational | August 2011 |
| 6289 | A Uniform Resource Name (URN) Namespace for CableLabsE. Cardona, S. Channabasappa, J-F. Mule | Informational | June 2011 |
| 6288 | URN Namespace for the Defence Geospatial Information Working Group (DGIWG)C. Reed | Informational | August 2011 |
| 6061 | Uniform Resource Name (URN) Namespace for the National Emergency Number Association (NENA)B. Rosen | Informational | January 2011 |
| 5874 | An Extensible Markup Language (XML) Document Format for Indicating a Change in XML Configuration Access Protocol (XCAP) ResourcesJ. Rosenberg, J. Urpalainen | Proposed Standard | May 2010 |
| 5707 | Media Server Markup Language (MSML)A. Saleem, Y. Xin, G. Sharratt | Informational | February 2010 |
| 5698 | Data Structure for the Security Suitability of Cryptographic Algorithms (DSSC)T. Kunz, S. Okunick, U. Pordesch | Proposed Standard | November 2009 |
| 5626 | Managing Client-Initiated Connections in the Session Initiation Protocol (SIP)C. Jennings, Ed., R. Mahy, Ed., F. Audet, Ed. | Proposed Standard | October 2009 |
| 5438 | Instant Message Disposition Notification (IMDN)E. Burger, H. Khartabil | Proposed Standard | February 2009 |
| 5328 | A Uniform Resource Name (URN) Namespace for the Digital Video Broadcasting Project (DVB)A. Adolf, P. MacAvock | Informational | September 2008 |
| 5279 | A Uniform Resource Name (URN) Namespace for the 3rd Generation Partnership Project (3GPP)A. Monrad, S. Loreto | Informational | July 2008 |
| 5262 | Presence Information Data Format (PIDF) Extension for Partial PresenceM. Lonnfors, E. Leppanen, H. Khartabil, J. Urpalainen | Proposed Standard | September 2008 |
| 5174 | A Uniform Resource Name (URN) Namespace for the European Broadcasting Union (EBU)J-P. Evain | Informational | May 2008 |
| 5165 | A Uniform Resource Name (URN) Namespace for the Open Geospatial Consortium (OGC)C. Reed | Informational | April 2008 |
| 5141 | A Uniform Resource Name (URN) Namespace for the International Organization for Standardization (ISO)J. Goodwin, H. Apel | Informational | March 2008 |
| 5138 | A Uniform Resource Name (URN) Namespace for the Commission for the Management and Application of Geoscience Information (CGI)S. Cox | Informational | February 2008 |
| 5134 | A Uniform Resource Name Namespace for the EPCglobal Electronic Product Code (EPC) and Related StandardsM. Mealling | Informational | January 2008 |
| 5119 | A Uniform Resource Name (URN) Namespace for the Society of Motion Picture and Television Engineers (SMPTE)T. Edwards | Informational | February 2008 |
| 5049 | Applying Signaling Compression (SigComp) to the Session Initiation Protocol (SIP)C. Bormann, Z. Liu, R. Price, G. Camarillo, Ed. | Proposed Standard | December 2007 |
| 4949 | Internet Security Glossary, Version 2R. Shirey | Informational | August 2007 |
| 4926 | A URN Namespace for GEANTT. Kalin, M. Molina | Informational | July 2007 |
| 4854 | A Uniform Resource Name (URN) Namespace for Extensions to the Extensible Messaging and Presence Protocol (XMPP)P. Saint-Andre | Informational | April 2007 |
| 4826 | Extensible Markup Language (XML) Formats for Representing Resource ListsJ. Rosenberg | Proposed Standard | May 2007 |
| 4729 | A Uniform Resource Name (URN) Namespace for the Near Field Communication (NFC) ForumM. Abel | Informational | November 2006 |
| 4688 | A Uniform Resource Name (URN) Namespace for Aerospace and Defence Industries Association of Europe (ASD) Specification 1000DS. Rushing | Informational | October 2006 |
| 4661 | An Extensible Markup Language (XML)-Based Format for Event Notification FilteringH. Khartabil, E. Leppanen, M. Lonnfors, J. Costa-Requena | Proposed Standard | September 2006 |
| 4617 | A Uniform Resource Name (URN) Formal Namespace for the Latvian National Government Integration ProjectJ. Kornijenko | Informational | August 2006 |
| 4575 | A Session Initiation Protocol (SIP) Event Package for Conference StateJ. Rosenberg, H. Schulzrinne, O. Levin, Ed. | Proposed Standard | August 2006 |
| 4482 | CIPID: Contact Information for the Presence Information Data FormatH. Schulzrinne | Proposed Standard | July 2006 |
| 4480 | RPID: Rich Presence Extensions to the Presence Information Data Format (PIDF)H. Schulzrinne, V. Gurbani, P. Kyzivat, J. Rosenberg | Proposed Standard | July 2006 |
| 4452 | The "info" URI Scheme for Information Assets with Identifiers in Public NamespacesH. Van de Sompel, T. Hammond, E. Neylon, S. Weibel | Informational | April 2006 |
| 4395 | Guidelines and Registration Procedures for New URI SchemesT. Hansen, T. Hardie, L. Masinter · obsoleted by RFC 7595 | Best Current Practice | February 2006 |
| 4358 | A Uniform Resource Name (URN) Namespace for the Open Mobile Alliance (OMA)D. Smith | Informational | January 2006 |
| 4354 | A Session Initiation Protocol (SIP) Event Package and Data Format for Various Settings in Support for the Push-to-Talk over Cellular (PoC) ServiceM. Garcia-Martin | Informational | January 2006 |
| 4246 | International Standard Audiovisual Number (ISAN) URN DefinitionM. Dolan | Informational | February 2006 |
| 4235 | An INVITE-Initiated Dialog Event Package for the Session Initiation Protocol (SIP)J. Rosenberg, H. Schulzrinne, R. Mahy, Ed. | Proposed Standard | November 2005 |
| 4198 | A Uniform Resource Name (URN) Namespace for Federated ContentD. Tessman | Informational | November 2005 |
| 4195 | A Uniform Resource Name (URN) Namespace for the TV-Anytime ForumW. Kameyama | Informational | October 2005 |
| 4179 | Using Universal Content Identifier (UCI) as Uniform Resource Names (URN)S. Kang | Informational | October 2005 |
| 4153 | XML Voucher: Generic Voucher LanguageK. Fujimura, M. Terada, D. Eastlake 3rd | Informational | September 2005 |
| 4122 | A Universally Unique IDentifier (UUID) URN NamespaceP. Leach, M. Mealling, R. Salz · obsoleted by RFC 9562 | Proposed Standard | July 2005 |
| 3987 | Internationalized Resource Identifiers (IRIs)M. Duerst, M. Suignard | Proposed Standard | January 2005 |
| 3986 | Uniform Resource Identifier (URI): Generic SyntaxT. Berners-Lee, R. Fielding, L. Masinter | Internet Standard | January 2005 |
| 3981 | IRIS: The Internet Registry Information Service (IRIS) Core ProtocolA. Newton, M. Sanz | Proposed Standard | January 2005 |
| 3937 | A Uniform Resource Name (URN) Namespace for the International Press Telecommunications Council (IPTC)M. Steidl | Informational | November 2004 |
| 3910 | The SPIRITS (Services in PSTN requesting Internet Services) ProtocolV. Gurbani, Ed., A. Brusilovsky, I. Faynberg, J. Gato, H. Lu, M. Unmehopa | Proposed Standard | October 2004 |
| 3880 | Call Processing Language (CPL): A Language for User Control of Internet Telephony ServicesJ. Lennox, X. Wu, H. Schulzrinne | Proposed Standard | November 2004 |
| 3864 | Registration Procedures for Message Header FieldsG. Klyne, M. Nottingham, J. Mogul | Best Current Practice | September 2004 |
| 3863 | Presence Information Data Format (PIDF)H. Sugano, S. Fujimoto, G. Klyne, A. Bateman, W. Carr, J. Peterson | Proposed Standard | August 2004 |
| 3862 | Common Presence and Instant Messaging (CPIM): Message FormatG. Klyne, D. Atkins | Proposed Standard | August 2004 |
| 3858 | An Extensible Markup Language (XML) Based Format for Watcher InformationJ. Rosenberg | Proposed Standard | August 2004 |
| 3795 | Survey of IPv4 Addresses in Currently Deployed IETF Application Area Standards Track and Experimental DocumentsR. Sofia, P. Nesser, II | Informational | June 2004 |
| 3790 | Survey of IPv4 Addresses in Currently Deployed IETF Internet Area Standards Track and Experimental DocumentsC. Mickles, Ed., P. Nesser, II | Informational | June 2004 |
| 3680 | A Session Initiation Protocol (SIP) Event Package for RegistrationsJ. Rosenberg | Proposed Standard | March 2004 |
| 3622 | A Uniform Resource Name (URN) Namespace for the Liberty Alliance ProjectM. Mealling | Informational | February 2004 |
| 3615 | A Uniform Resource Name (URN) Namespace for SWIFT Financial MessagingJ. Gustin, A. Goyens | Informational | September 2003 |
| 3614 | A Uniform Resource Name (URN) Namespace for the Motion Picture Experts Group (MPEG)J. Smith | Informational | September 2003 |
| 3613 | Definition of a Uniform Resource Name (URN) Namespace for the Middleware Architecture Committee for Education (MACE)R. Morgan, K. Hazelton | Informational | November 2003 |
| 3553 | An IETF URN Sub-namespace for Registered Protocol ParametersM. Mealling, L. Masinter, T. Hardie, G. Klyne | Best Current Practice | June 2003 |
| 3541 | A Uniform Resource Name (URN) Namespace for the Web3D Consortium (Web3D)A. Walsh | Informational | May 2003 |
| 3499 | Request for Comments Summary RFC Numbers 3400-3499S. Ginoza | Informational | December 2003 |
| 3406 | Uniform Resource Names (URN) Namespace Definition MechanismsL. Daigle, D. van Gulik, R. Iannella, P. Faltstrom · obsoleted by RFC 8141 | Best Current Practice | October 2002 |
| 3405 | Dynamic Delegation Discovery System (DDDS) Part Five: URI.ARPA Assignment ProceduresM. Mealling | Best Current Practice | October 2002 |
| 3404 | Dynamic Delegation Discovery System (DDDS) Part Four: The Uniform Resource Identifiers (URI)M. Mealling | Proposed Standard | October 2002 |
| 3403 | Dynamic Delegation Discovery System (DDDS) Part Three: The Domain Name System (DNS) DatabaseM. Mealling | Proposed Standard | October 2002 |
| 3402 | Dynamic Delegation Discovery System (DDDS) Part Two: The AlgorithmM. Mealling | Proposed Standard | October 2002 |
| 3367 | Common Name Resolution Protocol (CNRP)N. Popp, M. Mealling, M. Moseley | Proposed Standard | September 2002 |
| 3275 | (Extensible Markup Language) XML-Signature Syntax and ProcessingD. Eastlake 3rd, J. Reagle, D. Solo | Draft Standard | March 2002 |
| 3199 | Request for Comments Summary RFC Numbers 3100-3199S. Ginoza | Informational | February 2003 |
| 3188 | Using National Bibliography Numbers as Uniform Resource NamesJ. Hakala · obsoleted by RFC 8458 | Informational | October 2001 |
| 3187 | Using International Standard Book Numbers as Uniform Resource NamesJ. Hakala, H. Walravens · obsoleted by RFC 8254 | Historic | October 2001 |
| 3151 | A URN Namespace for Public IdentifiersN. Walsh, J. Cowan, P. Grosso | Informational | August 2001 |
| 3121 | A URN Namespace for OASISK. Best, N. Walsh | Informational | June 2001 |
| 3120 | A URN Namespace for XML.orgK. Best, N. Walsh | Informational | June 2001 |
| 3085 | URN Namespace for NewsML ResourcesA. Coates, D. Allen, D. Rivers-Moore | Informational | March 2001 |
| 3084 | COPS Usage for Policy Provisioning (COPS-PR)K. Chan, J. Seligson, D. Durham, S. Gai, K. McCloghrie, S. Herzog, F. Reichmeyer, R. Yavatkar, A. Smith | Historic | March 2001 |
| 3075 | XML-Signature Syntax and ProcessingD. Eastlake 3rd, J. Reagle, D. Solo · obsoleted by RFC 3275 | Proposed Standard | March 2001 |
| 3061 | A URN Namespace of Object IdentifiersM. Mealling | Informational | February 2001 |
| 3044 | Using The ISSN (International Serial Standard Number) as URN (Uniform Resource Names) within an ISSN-URN NamespaceS. Rozenfeld · obsoleted by RFC 8254 | Historic | January 2001 |
| 3043 | The Network Solutions Personal Internet Name (PIN): A URN Namespace for People and OrganizationsM. Mealling | Informational | January 2001 |
| 3001 | A URN Namespace of Object IdentifiersM. Mealling · obsoleted by RFC 3061 | Informational | November 2000 |
| 2915 | The Naming Authority Pointer (NAPTR) DNS Resource RecordM. Mealling, R. Daniel · obsoleted by RFC 3401, RFC 3402, RFC 3403, RFC 3404 | Proposed Standard | September 2000 |
| 2802 | Digital Signatures for the v1.0 Internet Open Trading Protocol (IOTP)K. Davidson, Y. Kawatsura | Informational | April 2000 |
| 2648 | A URN Namespace for IETF DocumentsR. Moats | Informational | August 1999 |
| 2611 | URN Namespace Definition MechanismsL. Daigle, D. van Gulik, R. Iannella, P. Faltstrom · obsoleted by RFC 3406 | Best Current Practice | June 1999 |
| 2518 | HTTP Extensions for Distributed Authoring -- WEBDAVY. Goland, E. Whitehead, A. Faizi, S. Carter, D. Jensen · obsoleted by RFC 4918 | Proposed Standard | February 1999 |
| 2483 | URI Resolution Services Necessary for URN ResolutionM. Mealling, R. Daniel | Experimental | January 1999 |
| 2396 | Uniform Resource Identifiers (URI): Generic SyntaxT. Berners-Lee, R. Fielding, L. Masinter · obsoleted by RFC 3986 | Draft Standard | August 1998 |
| 2371 | Transaction Internet Protocol Version 3.0J. Lyon, K. Evans, J. Klein | Proposed Standard | July 1998 |
| 2288 | Using Existing Bibliographic Identifiers as Uniform Resource NamesC. Lynch, C. Preston, R. Daniel | Informational | February 1998 |
| 2276 | Architectural Principles of Uniform Resource Name ResolutionK. Sollins | Informational | January 1998 |
| 2169 | A Trivial Convention for using HTTP in URN ResolutionR. Daniel | Historic | June 1997 |
| 2168 | Resolution of Uniform Resource Identifiers using the Domain Name SystemR. Daniel, M. Mealling · obsoleted by RFC 3401, RFC 3402, RFC 3403, RFC 3404 | Experimental | June 1997 |