to clarify my question a bit. I see you have a .csv file of relays and lat/long and im wondering how you generate it.
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off topic https://csv-importer.coracle.social/
@x can chime in
For now, we just ping ipinfo. But the goal is to use an opensource DB of IP range -> location like this one 
GitHub
GitHub - sapics/ip-location-db: ip to location database by ASN, GeoFeed, Whois, iptoasn.com, db-ip lite, GeoLite2
ip to location database by ASN, GeoFeed, Whois, iptoasn.com, db-ip lite, GeoLite2 - sapics/ip-location-db
does it check that the relay is wide open for kind20000? i am realizing now this will only work on free and open relays. which there are probably very few of these days.. (for spam reasons).