How IP Geolocation Works — Accuracy, Limits & Privacy Reality
The Basics
Every device on the internet has an IP address. RIRs (regional registries) assign IP blocks to ISPs, who register rough locations. Geolocation databases (MaxMind, IP2Location) aggregate this registry data plus BGP routing info and ISP-submitted corrections.
Accuracy Levels
- Country: 95–99% accurate
- Region/State: 60–80%
- City: 50–70% (often the ISP's hub, not you)
- ZIP/exact: unreliable without ISP cooperation
What a Site Actually Sees
Try our IP Lookup tool on your own IP. You'll get: country, city (ISP-level), ISP name, ASN, timezone. Not your street address — that requires a legal subpoena to the ISP.
VPNs and Latency
A VPN shows the VPN exit node's location. Combining IP location with browser timezone, language, and WebRTC leaks can still identify mismatches — which is why streaming services detect VPNs reliably.
Legitimate Uses
- Content localization and default currency
- Fraud detection (billing country vs. IP country)
- Compliance (GDPR, export controls)
- Analytics (rough regional traffic)
FAQ
Why does VPN show the wrong city?
Databases map the VPN datacenter's registered location, which is often wherever the hosting company filed paperwork.
Can someone find my home from my IP?
No — private users map only to the ISP's city-level hub. Law enforcement can compel ISPs for subscriber records, but public tools can't.