IP Address Lookup
Look up an IPv4 or IPv6 address to reveal its announcing ASN, network owner, allocated prefix, registry and approximate location.
About the IP Address Lookup
Look up an IPv4 or IPv6 address to reveal its announcing ASN, network owner, allocated prefix, registry and approximate location.
Queries run from our global edge network, so you see what a neutral observer on the public internet sees — not what your local network or ISP resolver happens to have cached.
Frequently asked questions
What does the IP Address Lookup do?
Look up an IPv4 or IPv6 address to reveal its announcing ASN, network owner, allocated prefix, registry and approximate location.
Is the IP Address Lookup free to use?
Yes. The IP Address Lookup is completely free with no account, no signup and no usage limits for normal use.
Do you log the lookups I run?
No. Queries are processed at the edge and returned straight to you. We do not retain, profile or sell your lookup history.