What is an IP address lookup?
An IP address lookup retrieves publicly available metadata about an IP address, including approximate geographic location, the Internet Service Provider (ISP) that owns the address block, and the Autonomous System Number (ASN) used for routing.
This information comes from regional internet registries (RIRs) and geolocation databases. It is useful for debugging network issues, verifying VPN connections, identifying the origin of traffic, and understanding how your network appears to external services.
How to use this tool
- Your public IP address is detected automatically when the page loads, along with its geolocation and ISP data.
- To look up a different address, type or paste any IPv4 or IPv6 address and click Lookup.
- Click My IP at any time to return to your own address.
- Use the Copy button to grab the IP for use in other tools or documentation.
Common use cases
- VPN verification: Confirm that your VPN is active and your traffic exits from the expected region.
- Geo-targeting debug: Check which location content-delivery networks and ad platforms associate with an IP.
- Abuse investigation: Identify the ISP and ASN behind suspicious traffic for reporting.
- Network diagnostics: Verify which public IP your server or office network uses for outbound connections.