No IP address carries a location inside it. Every "your IP is in this city" result is an inference, built by a geolocation provider from several indirect signals — and understanding those signals explains why the country is usually right and the city sometimes isn't.
Where the data actually comes from
- Registry records. Regional internet registries (like ARIN, RIPE, APNIC) record which organization a block of addresses was allocated to, and that organization's registered address — often an ISP's headquarters or regional office, not the end user's actual location.
- Routing information. How an address's traffic is routed across the internet backbone can narrow down its likely region.
- Commercial observation. Geolocation providers correlate addresses against real-world signals collected over time — including data from apps, websites and network partners that report an approximate location alongside an IP.
None of these are GPS. They're all inferences built from where an address is administratively registered and how it's observed behaving, refreshed on whatever schedule the provider maintains its database.
Why country accuracy beats city accuracy
Address block allocations are almost always country-specific — an ISP serving Germany doesn't typically get blocks also used in Japan — so country-level geolocation is generally very reliable. City-level and coordinate data is a different story: a single ISP's address block might nominally be "assigned" to a regional office hundreds of kilometers from where a specific customer actually lives, and mobile networks in particular often report a carrier's gateway location rather than the phone's actual position.
What can make it wrong
- Address blocks get reassigned between ISPs and regions faster than some databases update.
- VPNs and proxies deliberately present an exit location different from the user's real one.
- Mobile carrier-grade NAT can route many customers' traffic through one regional gateway address.
FAQ
How often does geolocation data update?
It varies by provider — there's no universal refresh schedule, which is part of why two geolocation services can disagree about the same address at the same time.
Can geolocation ever be exact?
Not from an IP address alone. Precise location requires GPS, Wi-Fi positioning, or similar device-level signals that an IP lookup simply doesn't have access to.