IP Checker
What is my IP address?
See your public IP, its geolocation, ISP and ASN — or look up any IPv4, IPv6 or domain. Free, fast, and privacy-friendly.
Look up any IP or domain
Enter an address to see its geolocation and network details.
Learn
Short, calm explanations of how IP addresses actually work.
Developer-friendly
A small JSON API is available for everyone. See the docs for endpoints, fields and rate limits.