How IP geolocation works
An IP address doesn’t contain coordinates. Geolocation providers build databases from regional internet registry allocation records, routing observations, ISP information and submitted corrections.
When a request reaches a website, the site can look up its public source IP. The result may include a country, region, city, postal area and ASN. If a database associates 203.0.113.42 with San Francisco, that means the address is registered or observed there. It doesn’t prove that the device is in that city or identify a street address.
IP geolocation vs device location
Websites can use several signals to estimate where you are. They aren’t interchangeable.
| Method | Main signal | Typical result |
|---|---|---|
| IP geolocation | Public IP address | Country, region or estimated city |
| Browser geolocation | GPS, Wi-Fi or cell data | Device location after permission |
| Account location | Saved profile details | User-selected country or city |
A browser location request normally requires your permission. An ordinary web request exposes its public source IP automatically.
Accuracy and limits
Country-level results are usually more dependable than city-level results. Two databases can return different cities for the same address because their sources and update schedules differ.
- Address reassignment: ISPs can move IP blocks between service areas.
- Mobile and shared networks: Many users may connect through a gateway located elsewhere.
- Corporate gateways: Remote offices can appear near the company’s central internet exit.
- Database timing: Recent routing or allocation changes may not appear immediately.
Latitude and longitude values from an IP lookup often point to a city center or network location. They shouldn’t be treated as a device’s coordinates.
IP geolocation and proxies
With a proxy, the destination normally geolocates the proxy’s exit IP instead of your direct public IP. This supports geo-targeting for authorized tasks such as checking localized pages, prices, ads and search results.
A proxy changes the IP signal only. A site can also compare language, time zone, cookies, account details and browser fingerprinting data. Its geolocation database may also disagree with the proxy provider’s location label.
Test the intended website rather than relying on one lookup service. Respect its terms and regional access rules, including any geo-blocking it applies.
FAQ
Can IP geolocation reveal my exact address?
No. It usually estimates a country, region or city from network records. It doesn’t provide a home address or GPS-level position.
Does a proxy change my IP geolocation?
Usually, yes. The website normally looks up the proxy’s exit IP, but GPS permission, account data and other signals can still indicate a different location.
Why does my IP geolocation show the wrong city?
The IP may exit through infrastructure in another city, have been reassigned or be listed in an outdated database. City-level mappings are estimates and often vary between providers.