Internet Assigned Numbers Authority

The global coordination of the DNS Root, IP addressing, and other Internet protocol resources is performed as the Internet Assigned Numbers Authority (IANA) functions. Learn more.

Domain Names

Management of the DNS Root Zone (assignments of ccTLDs and gTLDs) along with other functions such as the .int and .arpa zones.

Number Resources

Coordination of the global IP and AS number spaces, such as allocations made to Regional Internet Registries.

Protocol Assignments

The central repository for protocol name and number registries used in many Internet protocols.

IANA Customer Survey In September 2016, we invited our customers to participate in our fifth annual customer satisfaction survey. We have now published the compiled results, showing continued very positive satisfaction from our communities. The report describes the methodology and responses received.