alt Hacker NewsGoogle's GeoIP is creepy good. I noticed a while ago that for fixed or technically dynamic but rarely actually changing IPs, their IP geolocation eventually converges on the exact street address, presumably due to Google crowdsourcing geolocation from devices with GPS or Wi-Fi geolocation access, which is in turn crowdsourced from devices with both GPS and Wi-Fi.
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mkl • yesterday at 9:52 AM
Google's GeoIP is rubbish for me. Often it's hundreds of kilometres off, and varies a lot even for a fixed IP.
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It's pretty slow to converge though, as it needs enough data points so they cross some certainty threshold. Especially in the context of VPN exit points as the traffic comes from all over the world.