![[Image: Owq4Sdj.png]](https://i.imgur.com/Owq4Sdj.png)
How Google / Facebook detect proxies
It's not just the IP being checked — the entire connection is analyzed.
Even a high-quality proxy can be detected if there are inconsistencies.
- IP type (ASN): data center IPs = higher risk
- Network OS fingerprint vs User-Agent
- Ping latency inconsistent with claimed geo
- MTU values (VPN/tunnel traces)
- Browser fingerprint
- IP reputation
- Residential / mobile IPs
- Matching geo, language, and timezone
- Clean IP history
Read more in our blog

