What is an IP address lookup?

An IP address lookup (also called a reverse IP lookup or IP geolocation lookup) finds the publicly available information tied to an IP address — including the country, region, city, ISP, and ASN (Autonomous System Number) that owns the address. It works by querying geolocation databases that map IP ranges to physical and network locations.

How do I find the location of an IP address?

Enter the IPv4 or IPv6 address you want to look up into the field above and press Enter. The tool queries a geolocation database and returns the country, region, city, ISP name, and ASN. The result is approximate — IP geolocation is accurate to country level in most cases and to city level for many ISPs, but it cannot pinpoint a street address.

Can I look up my own IP address?

Yes. If you leave the search field empty and press Enter, the tool automatically looks up your current public IP address. This is useful for confirming which IP a VPN or proxy is using, or for seeing what geolocation information sites you visit would attribute to your connection.

Is IP geolocation always accurate?

IP geolocation is reliable at the country level (95–99% accuracy) but less precise at the city level (50–80%). The results reflect the ISP's registered location for that IP block — not necessarily where the user is physically located. VPNs, corporate proxies, and mobile networks often cause the location to show the ISP's data center rather than the user's city.

An ASN (Autonomous System Number) is a unique identifier assigned to a network or group of networks operated by a single entity — such as an ISP, university, or company. Every IP address is owned by an AS. The AS name tells you which organization controls the IP block (for example, AS15169 is Google LLC). ASNs are used for routing decisions on the global internet.

What is the difference between IPv4 and IPv6?

IPv4 uses a 32-bit address (e.g. 203.0.113.1) with ~4.3 billion possible addresses, most of which are now allocated. IPv6 uses a 128-bit address (e.g. 2001:db8::1) with a virtually unlimited space of 340 undecillion addresses. This tool looks up both formats and returns geolocation, ISP, and ASN data for either.

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Network & Privacy

IP Address Lookup

Look up any IP address to see its geolocation, ISP, ASN, and network details

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