This tool combines the public IP seen by the site with public network-registration and geolocation data to estimate the Internet Service Provider or network organization carrying the connection.
How to read the result?
The ISP name is usually accurate at the network-owner level, but the organization can differ from the company on your monthly bill. Wholesale networks, mobile carriers, corporate connections, VPNs, and cloud-based secure gateways can all make the visible network owner different from the retail provider you recognize.
Why location is approximate?
IP databases commonly map an address to an ISP point of presence, regional routing facility, or registered block location. They are not a GPS service. A city shown here may be nearby, in another part of the region, or occasionally in another region entirely.
VPN and proxy effects
If a VPN is active, the ISP result may identify the VPN provider or its hosting company. That is useful when you are checking whether the VPN is actually routing your traffic. Turn the VPN off, reload, and compare the result if you want to see your normal network.
When to use this?
Use this page for quick connection verification, not for identifying a person or a precise location. For a specific address, the IP geolocation lookup provides a separate query box.
ISP name, network owner, and reseller are not always identical
The organization associated with a public IP can be the retail ISP, a wholesale carrier, a mobile-network partner, a business transit provider, or a VPN/cloud network. That is why the returned organization can differ from the name printed on your bill. The result is best used to confirm which network is carrying the current traffic.
When an unexpected ISP result is useful?
If a VPN is supposed to move traffic to another network, an ISP/ASN change can confirm the new exit. If you expected home broadband but see a mobile carrier, the device may have fallen back to cellular data or another WAN path.