IP Address Lookup
Look up ownership, network allocation, reverse DNS, and ASN info for any IPv4 or IPv6 address
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About IP WHOIS
Regional Internet Registries (RIRs) such as ARIN, RIPE NCC, APNIC, LACNIC, and AFRINIC assign and manage IP address spaces. Our IP lookup queries these registries via RDAP to determine the network range, operating organization, and geographical allocation.