IANA and Regional Internet Registries (RIR)

IANA or Internet Assigned Numbers Authority is responsible for the global coordination of the DNS Root, IP addressing, and other Internet protocol resources including Autonomous System (AS) numbers used for routing Internet traffic. IANA established the Regional Internet Registries (RIRs) to allocate IP address in geographical regions.
There are total of five Regional Internet Registry (RIR) service regions currently.

RIR RIR Name Service Region Website Established
AFRINIC African Network Coordination Centre Africa https://www.afrinic.net 2005
APNIC Asia-Pacific Network Coordination Centre Asia Pacific, Australia, New Zealand https://www.apnic.net 1993
ARIN American Registry for Internet Numbers Canada, USA, and some Caribbean Islands https://www.arin.net 1997
LACNIC Latin American and Caribbean Internet Addresses Registry Latin America and some Caribbean Islands https://www.lacnic.net 2002
RIPE NCC Réseaux IP Européens Network Coordination Centre Europe, the Middle East, and Central Asia https://www.ripe.net 1992

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