Free tool

IP Checker

Open this page on your proxy, phone or profile and you'll see just what a website sees: the address, if it's AT&T, T-Mobile or Verizon, which metro it points to, and if your browser time zone or WebRTC says something different.

Checking…
Your IP
—
Mobile carrier
—
ISP / organisation
—
ASN
—
Location
—
IP time zone
—
Browser time zone
—
Time zones
—
WebRTC
—
Browser languages
—
User agent
—

How to read it

With a USA 4G Proxies line you'll see a US mobile carrier as the ISP, since the address comes from the carrier's pool and many real phones share it through carrier-grade NAT. You'll see the metro or state as the location, not a street. What gives an account away? A browser time zone that doesn't match the IP, and a WebRTC candidate that shows your home or office address. Sort those out in your browser profile, then give it another check.

Deeper checks on IPFighter

To see a full fingerprint, bot-detection and DNS-leak report, try the same connection on IPFighter's free tools:

IP score & lookup ↗ Browser fingerprint ↗ Bot detection ↗ DNS leak test ↗ WebRTC leak test ↗

To look you up, we use this site's own /api/ip endpoint and the public ipwho.is network database. Nothing is stored.

Want the IP to say "mobile carrier"?

Your own 4G or 5G line in eight US metros, with sticky sessions and unlimited rotation.

View plans Test a proxy