IP, Privacy & Security
How IP Geolocation Works (and Why It's Often Wrong)
When a website greets you with your city, it's using IP geolocation — an educated guess based on your address, not GPS. And that guess is often wrong.
Your IP doesn't contain your location
A crucial fact first: an IP address does not encode a location. There are no coordinates hidden inside it. Geolocation works by looking your address up in a database that maps address blocks to approximate places, built from many indirect clues.
Where the data comes from
Geolocation providers assemble their databases from sources such as:
- Regional registry records showing which organization owns each block and where it's based.
- Information ISPs publish about where blocks are used.
- Network measurements and latency triangulation.
- User-submitted and observed data correlating addresses with places.
The result is a best estimate, typically accurate to a country and often to a region or city — but never a street address.
Why it's so often wrong
- Mobile networks route many users through a few central gateways, so your phone may appear to be in a city far from you.
- VPNs and proxies deliberately show the location of a distant server.
- ISP registration may list a corporate headquarters, not where you actually are.
- Reassigned blocks can lag the databases, showing an old location.
What accuracy to expect
Country-level accuracy is usually very good. City-level accuracy is a coin flip and can be off by many miles. Anything more precise — a neighborhood or address — is not reliably possible from an IP address alone, despite what dramatic TV shows imply.
The honest takeaway
IP geolocation is useful for rough things: choosing a default language, showing regional content, or fraud signals. It is not surveillance-grade tracking. This is exactly why IP Ducky labels the location it shows as approximate — it is an estimate from a database, not your device's true position.