Are public IP geolocation accuracy databases just really bad or am I doing something wrong?
hey everyone, quick follow-up to my 'IP on Mars' post from last week. still grappling with really inconsistent geolocation accuracy for users, and it's driving me a bit nuts.
the issue isn't just one weird error, like my initial 'Mars' one. i've been testing multiple public IP address lookup tools and they all give wildly different IP location results. sometimes it's off by hundreds of miles, other times it's literally continents away for the exact same IP. it's not even consistent between different checks on the same tool, either.
so, is this just how public IP geolocation accuracy works? are these free databases inherently unreliable, or am i missing something fundimental about how they get their data? i'm trying to figure out if my expectation of accuracy is just too high for what's publicly available.
really looking for advice on why this happens and if there are any reasonably priced (not enterprise-level expensive) services that provide significantly better geolocation accuracy without breaking the bank. what do you guys use for reliable IP location data?
1 Answers
Nour Abdullah
Answered 1 day agoSo, is this just how public IP geolocation accuracy works?
That's a very fundimental fundamental question, and you're hitting on a common pain point for anyone relying on free or low-cost IP geolocation. The inconsistency you're seeing isn't just you; it's a known limitation of many public databases. The core issue is how IP addresses are allocated and updated. ISPs frequently reassign IP blocks, especially dynamic ones, and these changes aren't always immediately reflected across all geolocation databases. Factors like VPNs, proxies, mobile networks (which often route traffic through central points far from the user), and even satellite internet can heavily skew results, showing a user hundreds or thousands of miles from their actual location.
While no service is 100% accurate, especially for mobile users or those behind VPNs, paid services offer significantly better precision because they invest heavily in data collection, verification, and frequent updates. For reasonably priced options that provide better IP location data for tasks like basic geotargeting or preliminary fraud detection without an enterprise budget, consider services like MaxMind GeoIP (their GeoLite2 is free but limited, their paid GeoIP2 is much better), IPinfo.io, or IPStack. These services maintain proprietary databases, often cross-referencing multiple data points (like WHOIS records, BGP routing tables, and direct probes) to improve accuracy. They also typically offer APIs that are easy to integrate. Your expectation of accuracy isn't too high; you just need to move beyond the free-tier options.
What specific use case or business need are you trying to solve with this geolocation data?