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IANA functions

The United States Departmentof Commerce's National Telecommunications and Information Administration (NTIA) remains committed to preserving a stable and secure Internet Domain Name System (DNS). Critical to the DNS is the continued performance of the Internet Assigned Numbers Authority (IANA) functions. The IANA functions have historically included: (1) The coordination of the assignment of technical Internet protocol parameters; (2) the administration of certain responsibilities associated with Internet DNS root zone management; (3) the allocation of Internet numbering resources; and (4) other services related to the management of the .ARPA and .INT top-level domains. The Internet Corporation for Assigned Names and Numbers (ICANN) performed the IANA functions, on behalf of the United States Government, through a contract with NTIA.

Related content


NTIA Finds IANA Stewardship Transition Proposal Meets Criteria to Complete Privatization

June 09, 2016

WASHINGTON – The U.S. Commerce Department’s National Telecommunications and Information Administration (NTIA) announced today that the proposal developed by the global Internet multistakeholder community meets the criteria NTIA outlined in March 2014 when it stated its intent to transition the U.S. Government’s stewardship role for the Internet domain name system (DNS) technical functions, known as the Internet Assigned Numbers Authority (IANA) functions.

Sixth Quarterly Report on the Transition of the Stewardship of the Internet Assigned Numbers Authority (IANA) Functions

May 16, 2016

NTIA provides quarterly reports on all aspects of the proposed transition of the U.S. government’s stewardship role over the Internet Assigned Numbers Authority (IANA) functions. NTIA’s previous reports and detailed background can be found here. This report covers activities from January 1, 2016 to March 31, 2016. As required by Public Law 114-113, NTIA will continue to update this report on a quarterly basis.

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