If you're your own ISP you can be wherever you want to be

https://blog.lyc8503.net/en/post/asn-5-worldwide-servers/

Sometimes. You can publish whatever geolocation data file you want, but others aren't required to respect that file. It's known that geolocation providers run pings and traceroutes from different locations as well as looking at BGP data.

	▲	mx7zysuj4xew an hour ago \| parent [-]
		I guess maybe we should start some kind of initiative to detect these geolocation providers so we can blacklist them. Maybe it can be some kind of database that is used to null-route all traffic coming from their network /s