American Registry for Internet Numbers (ARIN) [http://www.arin.net] for North America RIPE Network Coordination Centre (RIPE NCC) [http://www.ripe.net] for Europe, the Middle East and Central Asia Asia-Pacific Network Information Centre (APNIC) [http://www.apnic.net] for Asia and the Pacific region Latin American and Caribbean Internet Addresses Registry (LACNIC) [http://www.lacnic.net] for Latin America and the Caribbean region African Network Information Centre (AfriNIC) http://www.afrinic.net for Africa

Put together a RIRs form section of the Number Resource Organization [http://www.nro.net/] formed as a body to represent their collective interests & assure that policy statements come coordinated globally.

IANA delegates a allocation of IPv4 addresses to RIRs in heavy chunks (often /8 =Sixteen.7 million addresses or even additional at one time), & a RIRs so watch their have policies for location allocation. It occasionally more delegate location assignment to Internet Service Providers in microscopic chunks, by using a smallest presently existence /22 (=1024).

See Also
Local Internet Registry