The IANA functions coordinate the Internet’s globally unique identifiers, and are provided by Public Technical Identifiers, an affiliate of ICANN.

IANA Report on Recognition of LACNIC as a Regional Internet Registry (7 November 2002) IANA Report on Recognition of AfriNIC as a Regional Internet Registry (8 April 2005)

We are one of the Internet's oldest institutions, with the IANA functions dating back to the 1970s. Today the services are provided by Public Technical Identifiers, a purpose-built organization for providing …

Domain Name Services We operate and maintain a number of key aspects of the DNS, including the root zone, and the .int and .arpa domains. The DNS Root Zone The root is the upper-most part of the …

The IANA functions coordinate the Internet’s globally unique identifiers, and are provided by Public Technical Identifiers, an affiliate of ICANN.

Root Zone Management We are responsible for management of the DNS root zone. This role means assigning the operators of top-level domains, such as .uk and .com, and maintaining their technical …

The Internet Assigned Numbers Authority (IANA) functions, which are managed by ICANN, play a role ensuring you get to where you want to go by coordinating unique identifiers. The three core IANA …

As the manager of the DNS root zone, we are responsible for coordinating these delegations in accordance with our policies and procedures. Much of this data is also available via the WHOIS …

Dec 10, 2025 · Contributions to this list may be emailed to [email protected]. Subscribe/Unsubscribe Archive Distribution We provide access to the Time Zone Database via three methods: HTTP: …

Protocol Registries Protocol parameter registries represent the authoritative record of many of the codes and numbers contained in a variety of Internet protocols. We maintain these records in compliance …