ARIN Network Lookup

Search IP ranges, ASN, network ownership, and abuse contacts via RDAP.

Search by IPv4/IPv6 address or ASN. Uses ARIN RDAP API (limit ~200 queries/hour per IP).
  • ARIN (American Registry for Internet Numbers) covers North America, Caribbean, and some Pacific islands
  • RDAP provides structured JSON data about IP allocations and ASNs
  • Includes abuse contacts for reporting malicious activity
  • Other regions use different RIRs: RIPE (Europe), APNIC (Asia-Pacific), LACNIC (Latin America), AFRINIC (Africa)
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