How do I find the ISP for any IP?

Enter the address in the search bar at the top of PINIP.net or open pinip.net followed by the IP.

Yes. PINIP.net ISP lookups, maps, and JSON API access are free.

PINIP.net — ISP Lookup — Find Internet Provider by IP Address

Q: What is an ISP lookup?

It shows which Internet Service Provider owns or routes an IP address, plus ASN and organization details.

What is ISP lookup?

An ISP lookup reveals which company provides internet connectivity for a public IP address. Results typically include the ISP brand, registered organization, autonomous system number (ASN), and country.

Security teams use ISP data for fraud scoring, allowlists, and abuse triage. Developers use it to localize content or debug routing issues.

How to run an ISP lookup on PINIP.net

Check your own ISP in the live card above, or enter any IP in the search bar.
Open a direct URL such as pinip.net/8.8.8.8.
Read the Network & ISP table on the full report.
Use the JSON API for automated ISP lookups.

Live ISP statistics

See which providers appear most often in recent PINIP.net lookups on our ISP statistics page — updated from aggregate visitor data.

Frequently asked questions

What is an ISP lookup?

It identifies the Internet Service Provider and ASN behind a public IP address.

Is this the same as WHOIS?

Related but different. WHOIS shows registration records; ISP lookup focuses on the carrier shown in routing and geolocation data.

Can I lookup IPv6 ISPs?

Yes. Enter any valid IPv6 address in the search bar or URL.

Why does ISP differ from my bill?

VPNs, mobile gateways, and parent companies may show a different registered name than your consumer brand.