Regional Internet registry

Number Resource Organization
Founded1992 (RIPE NCC)
1993 (APNIC)
1997 (ARIN)
1999 (LACNIC)
2003 (NRO)
2004 (AFRINIC)
TypeInternet governance
Focusproviding a coordinated Internet number registry system
supporting the multi-stakeholder model
Origins1992 RIPE NCC begins distributing addresses
2003 letter from RIRs to ICANN
2004 Memorandum of Understanding
Area served
Worldwide
Methodcoordinating joint activities of regional internet registries

A regional Internet registry (RIR) is an organization that manages the allocation and registration of Internet number resources within a region of the world. Internet number resources include IP addresses and autonomous system (AS) numbers.

Map of regional Internet registries

The regional Internet registry system evolved, eventually dividing the responsibility for management to a registry for each of five regions of the world. The regional Internet registries are informally liaised through the unincorporated Number Resource Organization (NRO), which is a coordinating body to act on matters of global importance.[1]

As of 2005, there are currently five regional registries:

Regional Internet registries 2002–2005
Regional Internet registries until 2002
  1. ^ "About the NRO". Number Resource Organization. Archived from the original on 2023-07-06. Retrieved 2023-07-26.
  2. ^ "African Network Information Centre". Archived from the original on 2011-02-23. Retrieved 2018-12-25.
  3. ^ "American Registry for Internet Numbers". Archived from the original on 2021-12-22. Retrieved 2018-02-03.
  4. ^ "Asia-Pacific Network Information Centre". Archived from the original on 2011-02-19. Retrieved 2018-12-25.
  5. ^ "Latin America and Caribbean Network Information Centre". Archived from the original on 2022-06-08. Retrieved 2018-12-25.
  6. ^ "RIPE Network Coordination Centre". Archived from the original on 2011-02-23. Retrieved 2018-12-25.

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