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更新时间 2026-11-15 01:05:17
IETF | Internet Assigned Numbers Authority (IANA) functions
The IETF works on a broad range of networking technologies that provide the foundation for the Internet's growth and evolution.
While most IETF work takes place online, meetings and other events such as Hackathons provide in-person opportunities to advance work within the IETF.
The IETF is the premier Internet standards organization. It follows open and well-documented processes for setting these standards. Once published, those standards are made freely available.
The global IETF community works together in many different ways to produce high quality, relevant technical documents that influence the way people design, use, and manage the Internet.
By supporting the IETF today, you are ensuring a free and open Internet exists tomorrow.
The global coordination of the DNS Root, IP addressing, and other Internet protocol resources is performed as the Internet Assigned Numbers Authority (IANA) functions.
IANA is responsible for coordinating some of the key elements that keep the Internet running smoothly. The Internet is renowned for being a worldwide network free from central coordination. But there is a technical need for key parts of the Internet to be globally coordinated. IANA undertakes this coordination role.
IANA allocates and maintains unique codes and numbering systems (parameters) used in the IETF technical standards.
IANA activities can be broadly grouped into three categories:
IANA one of the Internet's oldest institutions, dating back to the 1970s. Today the services are provided by Public Technical Identifiers, a purpose-built organization for providing the IANA functions to the community. PTI is an affiliate of ICANN.
In addition to the other information, IANA maintains the Time Zone Database (often called tz or zoneinfo) contains code and data that represent the history of local time for many representative locations around the globe. It is updated periodically to reflect changes made by political bodies to time zone boundaries, UTC offsets, and daylight-saving rules. Information it contains is used in various Internet standards developed in the IETF. Its management procedure is documented in BCP 175: Procedures for Maintaining the Time Zone Database.
IANA Time Zone Database
While most IETF work takes place online, meetings and other events such as Hackathons provide in-person opportunities to advance work within the IETF.
The IETF is the premier Internet standards organization. It follows open and well-documented processes for setting these standards. Once published, those standards are made freely available.
The global IETF community works together in many different ways to produce high quality, relevant technical documents that influence the way people design, use, and manage the Internet.
By supporting the IETF today, you are ensuring a free and open Internet exists tomorrow.
The global coordination of the DNS Root, IP addressing, and other Internet protocol resources is performed as the Internet Assigned Numbers Authority (IANA) functions.
IANA is responsible for coordinating some of the key elements that keep the Internet running smoothly. The Internet is renowned for being a worldwide network free from central coordination. But there is a technical need for key parts of the Internet to be globally coordinated. IANA undertakes this coordination role.
IANA allocates and maintains unique codes and numbering systems (parameters) used in the IETF technical standards.
IANA activities can be broadly grouped into three categories:
IANA one of the Internet's oldest institutions, dating back to the 1970s. Today the services are provided by Public Technical Identifiers, a purpose-built organization for providing the IANA functions to the community. PTI is an affiliate of ICANN.
In addition to the other information, IANA maintains the Time Zone Database (often called tz or zoneinfo) contains code and data that represent the history of local time for many representative locations around the globe. It is updated periodically to reflect changes made by political bodies to time zone boundaries, UTC offsets, and daylight-saving rules. Information it contains is used in various Internet standards developed in the IETF. Its management procedure is documented in BCP 175: Procedures for Maintaining the Time Zone Database.
IANA Time Zone Database
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