Official list of all MIME types assigned by the IANA (Internet Assigned Number Authority).

Registration functions by IANA for the ".int" gTLD domain for intergovernmental organizations.

Official list of current or active country code top-level domains, directory of administrative contacts, procedure for establishing a new one. Links to the ISO 3166 maintenance agency.

IANA controls numbers for protocols, the Country Code Top Level Domains and maintains the IP Address allotments.

In conjunction with ICANN, IANA coordinates ccTLD and root server issues and handles procotol number assignment.

Dedicated to preserving the central coordinating functions of the global Internet for the public good.

By tracking valid protocol values, MIME types, and other Internet numbers, IANA preserves the central coordinating functions of the Internet.

The official list of all generic and country specific TLD's, with contact information for the corresponding sponsors and registries.

IANA controls numbers for protocols, the Country Code Top Level Domains and maintains the IP Address allotments.

The official names for character sets that may be used in the Internet and referred to in Internet documentation - held at the Internet Assigned Number Authority.