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ARIN at a Glance

Services

ARIN provides services related to the technical coordination and management of Internet number resources. The nature of these services is described in ARIN's mission statement:

Mission Statement:

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.

These services are grouped in three areas: Registration, Organization, and Policy Development.

Registration Services

Registration Services pertain to the technical coordination and management of Internet number resources. They include:

  • IP address space allocation, transfer, and record maintenance
  • ASN allocation, transfer, and record maintenance
  • Directories
    • Registration transaction information (WHOIS)
    • Routing information (Internet Routing Registry)
  • DNS (Reverse)
  • WhoWas

Organization Services

Organization Services pertain to interaction between ARIN members and stakeholders and ARIN. They include:

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:

Technical Services

ARIN also develops technical services to support the evolving needs of the Internet community.

  • Cryptographic Authentication
  • DNSSEC
  • RESTful Provisioning (Reg-RWS)
  • RPKI
  • Community Software Repository

General Information

Established in December 1997, the American Registry for Internet Numbers (ARIN) is a Regional Internet Registry (RIR) incorporated in the Commonwealth of Virginia, USA. ARIN is one of five (5) RIRs. Like the other RIRs, ARIN:

View ARIN's organizational structure and staff list.

The ARIN Fact Sheet (PDF) includes an overview of ARIN's services, organizational structure, membership, and resources. In addition, ARIN has developed a Flash-based introduction covering its mission, community interaction and processes.