IP Address RDAP Lookup

Look up IP address allocation and registration data using RDAP through Regional Internet Registry (RIR) services. Automatically routes queries to the appropriate RIR based on IP address prefix.

Common IP Examples

RDAP Lookup Configuration

About IP Address RDAP Lookups

How it Works

IP RDAP provides detailed allocation information from Regional Internet Registries (RIRs). The tool automatically routes queries to the appropriate RIR using IANA bootstrap registries.

Regional Internet Registries

  • ARIN: North America, parts of Caribbean
  • RIPE NCC: Europe, Central Asia, Middle East
  • APNIC: Asia Pacific region
  • LACNIC: Latin America, parts of Caribbean
  • AFRINIC: Africa

What You'll Get

  • Network block and CIDR prefix
  • Allocation type and country
  • Organization responsible for the block
  • Contact information (registrant, admin, technical, abuse)