Proxy Checker
Paste any proxy, ours or someone else's. Our checker opens a real connection through it (HTTP CONNECT first, then SOCKS5) to a public what-is-my-IP service and shows what the other end sees.
- Protocol that worked
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- Exit IP
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- Network
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- ASN
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- Location
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- Time zone
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- Latency
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What a good result looks like
For a mobile line the exit IP should belong to AT&T, T-Mobile or Verizon and resolve to the metro you bought. Latency on a carrier network is higher than on a datacenter proxy by design; what matters is that the tunnel opens on the first try and the exit address stays the same across checks while you hold a sticky session. If HTTP fails but SOCKS5 works, your tool just needs the SOCKS5 port instead.
Bulk lists and deeper checks
To check a whole list at once, or to run fingerprint and leak tests on the same connection, use IPFighter's free tools:
Bulk proxy checker ↗ IP score & lookup ↗ Browser fingerprint ↗ DNS leak test ↗ WebRTC leak test ↗
Credentials are used for this one request and are not logged or stored. Up to thirty checks per address per ten minutes. Private and internal addresses are refused.