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IP address lookup

Enter any public IPv4 or IPv6 address to see where it is registered, which provider operates it and which network (ASN) it belongs to.

What an IP lookup can — and cannot — tell you

Every public IP address is registered to an organization, usually an internet service provider or a hosting company. A lookup reveals that registration: the network's operator, its autonomous system number (ASN), and the geographic area where the range is registered. This is how websites estimate your location for language, pricing and fraud checks.

What a lookup cannot do is identify a person. The final link between an IP address and a subscriber exists only in the ISP's internal records. If you are investigating abuse from an IP, the right step is to contact the network's abuse address, which is published in the WHOIS record of the ASN shown above.

Common questions

How accurate is IP geolocation?
City-level accuracy is typical for fixed broadband connections. Mobile networks, VPNs and corporate networks often resolve to the provider’s registered location instead, which can be a different city or even country.
Can I find out who owns an IP address?
You can see which organization operates the network (the ISP and ASN), but not which individual person is using the address. Only the ISP can link an IP to a customer, and normally only with a legal order.
Why does a lookup of my own IP show the wrong city?
Geolocation databases map IP ranges to where the ISP registered them, not to your physical address. If your ISP routes traffic through another city, that is what shows up.