IP Geolocation

IPv4 and IPv6 address inspection and subnet math. Inspect an address (version, normalized form, classification: private/

Lookup a specific IPv4 or IPv6 address. Append the IP to the path, for example /134.201.250.155. Use fields to limit the

Lookup the requester IP as seen by IPstack. Useful for quick agent self-location checks, request debugging and coarse ge

Fetch public IP network, ASN, organization, location, and timezone context. This does not claim an abuse or threat score

IP address classification: is it a valid IPv4, and is it public or private/RFC1918, loopback, link-local, CGNAT shared s