Where an IP location comes from
An IP address is part of internet routing. Geolocation providers build databases that associate address ranges with countries, regions, cities and networks by combining allocation information, routing observations, network hints and other sources. The database result is therefore an inference about the address range—not a coordinate stored inside the IP itself.
A lookup can also identify the Autonomous System and organization announcing or using the address range. Those network fields often provide more durable context than a city label because they describe who operates the routing infrastructure.
Why providers disagree
Different databases update at different times and use different evidence. One provider may associate a broadband range with the ISP gateway city while another maps it closer to the subscriber region. Mobile networks, carrier-grade NAT, satellite connections, enterprise gateways and cloud networks make city-level interpretation even harder.
This is why IP-Lookup.com exposes provider agreement when two sources are available instead of silently choosing one city.
Country, region and city are not equally reliable
Country-level results can be more stable than city-level results for many networks, but no field should be treated as infallible. A city name can represent routing infrastructure or an estimated service area. Coordinates are normally representative points, not a device position.
What VPNs and proxies change
A VPN or proxy changes the public network endpoint visible to the destination. The lookup therefore describes the VPN/proxy exit network rather than the user's ordinary ISP connection. Tor similarly exposes the exit relay address to the destination.
How to use geolocation responsibly
- Use country/region/city as approximate network context.
- Check ASN and organization alongside location.
- Treat city disagreements as a reason for caution.
- Use RDAP for registration data rather than personal identity.
- Use a dedicated GPS/location permission when an application genuinely requires device location.
Why network ownership can be more useful than the city
When a city estimate is uncertain, the ASN and organization can still tell you whether the address belongs to a broadband ISP, cloud platform, carrier or privacy service. That network context often remains useful even when the geographic estimate is imperfect.
How databases improve over time
Providers continually update mappings as address blocks move, routing changes and new observations become available. That is also why an old screenshot or cached geolocation result should not automatically be treated as current.