I remembered that Apple has such a database too, and interestingly, here's a project that reverse-engineered queries to Apple's Wi-Fi geolocation service: https

I remembered that Apple has such a database too, and interestingly, here's a project that reverse-engineered queries to Apple's Wi-Fi geolocation service: https://github.com/zadewg/GS-LOC https://github.com/zadewg/GS-LOC