ASN RDAP Lookup

Query Autonomous System Number allocation and registration data using RDAP through Regional Internet Registries. ASNs identify networks on the global Internet routing table and are essential for BGP routing operations.

Common ASN Examples

RDAP Lookup Configuration

About ASN RDAP Lookups

What is an ASN?

Autonomous System Numbers identify networks on the global Internet routing table and are essential for BGP routing operations. Each ASN represents a collection of IP address blocks under unified administrative control.

ASN Ranges by Registry

  • ARIN: AS1 - AS23551, AS393216 - AS394239
  • RIPE NCC: AS24576 - AS25599, AS34816 - AS35839
  • APNIC: AS23552 - AS24575, AS37888 - AS38911
  • LACNIC: AS26592 - AS27647, AS61440 - AS61951
  • AFRINIC: AS36864 - AS37887, AS327680 - AS328703

What You'll Get

  • Organization name and type
  • Country of registration
  • Allocation date and status
  • Contact information (admin, technical, abuse)