ARIN
The Regional Internet Registry serving the United States, Canada, parts of the Caribbean, and North Atlantic islands. It allocates and registers Internet number resources within its service region.
Read definitionCategory glossary
Browse the glossaryInternet registry glossary
4 definitions associated with Internet registry.
Browse Internet registry definitions
4 matching terms
Page 1 of 1Autonomous system number (ASN)
A globally unique identifier assigned to an autonomous system for interdomain routing. BGP uses autonomous system numbers in route origination and the AS_PATH attribute; modern BGP supports the original 16-bit space and newer 32-bit ASNs.
Read definitionIANA
The Internet Assigned Numbers Authority coordinates global registries for protocol parameters, DNS root-zone administration, and allocation of top-level Internet number resources. Its registries are the authoritative source for DNS types, DHCP options, ports, and many other code points.
Read definitionRIR
Regional Internet Registry, one of the organizations that allocate and register IP address and autonomous system number resources within a service region. The five RIRs are AFRINIC, APNIC, ARIN, LACNIC, and RIPE NCC.
Read definition