Regional Internet Registries
- AfriNIC, African Network Information Centre
- ARIN, American Registry for Internet Numbers
- APNIC, Asia Pacific Network Information Centre
- LACNIC, Latin American and Caribbean IP address Regional Registry
- RIPE NCC, Réseaux IP Européens Network Coordination Centre
- AFRINICAfrican Network Information Centre
- APNICAsia Pacific Network Information Centre
- ARINAmerican Registry for Internet Numbers
- IANAInternet Assigned Numbers Authority
- LACNICLatin American and Caribbean Network Coordination Centre
- LIRLocal Internet Registry
- NICNetwork Information Center
- RIPE NCCRéseaux IP Européens Network Coordination Centre
- RIRRegional Internet Registries