ARIN & RIR Registry WHOIS Lookup
Fetch registration details, CIDR block allocations, Point of Contact (POC) abuse records, and org assignments from ARIN, RIPE NCC, APNIC, LACNIC, and AFRINIC via RDAP and REST APIs.
Understanding Regional Internet Registries (RIRs)
Regional Internet Registries manage the allocation and registration of internet number resources (IPv4, IPv6, and Autonomous System Numbers) within designated world regions.
The 5 Global RIR Regions
- ARIN: American Registry for Internet Numbers (Canada, United States, Caribbean islands).
- RIPE NCC: Reseaux IP Europeens Network Coordination Centre (Europe, Middle East, Central Asia).
- APNIC: Asia-Pacific Network Information Centre (East Asia, South Asia, Oceania).
- LACNIC: Latin America and Caribbean Network Information Centre.
- AFRINIC: African Network Information Centre (Africa region).