WHOIS/RDAP
Explore public-records and open-source research resources, organized by category. Each source lists its jurisdiction, coverage, and access requirements. Some resources require registration or payment. Use each resource according to its terms and applicable access rules.
WHOIS/RDAP
| Source | Jurisdiction | Coverage | Access |
|---|---|---|---|
| ARIN Whois/RDAP ↗ | North America | IP allocations and ASNs | Free |
| ICANN Lookup (RDAP) ↗ | Global | Domain registration data | Free |
| RIPE Database ↗ | Europe | IP allocations | Free |