 | NRO Number Resource Organization |
Formed by the Regional Internet Registries to formalise their co-operative efforts, the NRO exists to protect the unallocated Number Resource pool, to promote and protect the bottom-up policy development process, and to act as a focal point for Internet community input into the RIR system.
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 | AfriNIC African Network Information Centre |
AfriNIC is a non-government, not-for-profit, membership based organization, based in Mauritius to serve African Internet Community. AfriNIC is the Regional Registry for Internet Number Resources for Africa. Membership is open to anybody. Its policy development process is open to anybody without any specific requirements.
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 | APNIC Asia Pacific Network Information Centre |
APNIC is one of five Regional Internet Registries currently operating in the world. It provides allocation and registration services which support the operation of the Internet globally. It is a not-for-profit, membership-based organisation whose members include Internet Service Providers, National Internet Registries, and similar organisations. APNIC represents the Asia Pacific region, comprising 56 economies.
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 | ARIN American Registry for Internet Numbers |
Applying the principles of stewardship, ARIN, a nonprofit corporation, allocates Internet Protocol resources; develops consensus-based policies; and facilitates the advancement of the Internet through information and educational outreach.
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 | LACNIC Latin American and Caribbean Internet Addresses Registry |
The LACNIC is the organization that administrates IP addresses space, Autonomous System Numbers (ASN), reverse resolution and other resources of the Latin American and Caribbean region (LAC), on behalf of the Internet community.
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 | RIPE NCC Réseaux IP Européens Network Coordination Centre |
The RIPE NCC is an independent, not-for-profit membership organisation that supports the infrastructure of the Internet through technical co-ordination in its service region. The most prominent activity of the RIPE NCC is to act as the Regional Internet Registry (RIR) providing global Internet resources and related services to members in the RIPE NCC service region.
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