Regional Internet Registries(RIR)

Introduction

Regional Internet Registries (RIRs) are non-profit organizations that are responsible for the allocation and registration of Internet number resources, including IP addresses and Autonomous System Numbers (ASNs), within their respective regions of the world. There are currently five RIRs worldwide, each serving a specific geographic region:

1. American Registry for Internet Numbers (ARIN) — serving North America, parts of the Caribbean, and sub-Saharan Africa
2. Réseaux IP Européens Network Coordination Centre (RIPE NCC) — serving …

addresses american american registry for internet numbers arin asns autonomous iana internet ip addresses non non-profit numbers organizations profit registration registry resources responsible system world