
Internet Assigned Numbers Authority
The IANA functions coordinate the Internet’s globally unique identifiers, and are provided by Public Technical Identifiers, an affiliate of ICANN.
Service Name and Transport Protocol Port Number Registry
Nov 20, 2025 · [RFC8126]. User Ports are assigned by IANA using the "IETF Review" process, the "IESG Approval" process, or the "Expert Review" process, as per [RFC6335]. Dynamic …
Media Types - Internet Assigned Numbers Authority
Subtypes will be assigned and listed by the IANA. Procedures for registering Media Types can be found in [RFC6838], [RFC4289], and [RFC6657]. Additional procedures for registering media …
Root Zone Database - Internet Assigned Numbers Authority
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 …
Root Servers - Internet Assigned Numbers Authority
Root Servers The authoritative name servers that serve the DNS root zone, commonly known as the “root servers”, are a network of hundreds of servers in many countries around the world. …
Number Resources - Internet Assigned Numbers Authority
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)
IANA WHOIS Service
The IANA functions coordinate the Internet’s globally unique identifiers, and are provided by Public Technical Identifiers, an affiliate of ICANN.
About us - Internet Assigned Numbers Authority
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 …
Protocol Numbers
Jul 11, 2025 · This is an 8 bit field. In Internet Protocol version 6 (IPv6) [RFC8200], this field is called the "Next Header" field. Note Values that are also IPv6 Extension Header Types should …
Root Zone Management
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 …