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ARIN at a Glance

Established in December 1997, the American Registry for Internet Numbers (ARIN) is a nonprofit, member-based organization that supports the operation and growth of the Internet.

ARIN accomplishes this by carrying out its core service, which is the management and distribution of Internet number resources such as Internet Protocol (IP) addresses and Autonomous System Numbers (ASNs). ARIN manages these resources within its service region, which is comprised of Canada, the United States, and many Caribbean and North Atlantic islands. ARIN also coordinates policy development by the community and advances the Internet through informational outreach.

ARIN and the Regional Internet Registry System

ARIN is a Regional Internet Registry (RIR) incorporated in the Commonwealth of Virginia, USA. There are five RIRs covering the globe, and each RIR:

Mission Statement and Services

The ARIN Mission Statement highlights the main service areas that ARIN covers:

ARIN, a nonprofit member-based organization, supports the operation of the Internet through the management of Internet number resources throughout its service region; coordinates the development of policies by the community for the management of Internet Protocol number resources; and advances the Internet through informational outreach.

ARIN's services are grouped in four areas: Registration, Organization, Policy Development, and Technical.

Registration Services
Organization Services
Policy Development Services

Policy Development Services facilitate the development of policy for the technical coordination and management of Internet number resources in the ARIN region. They include:

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