The RIPE Database offers the “geoloc:” attribute on ORGANISATION and INET(6)NUM objects that may or may not be used as an additional source of information by these providers.
https://www.ripe.net/manage-ips-and-asns/db/tools/geolocation-in-the-ripe-database https://labs.ripe.net/author/denis/geolocation-prototype-for-ripe-database/ https://labs.ripe.net/author/denis/example-usage-of-ripe-database-geolocation-prototype/ -- regards, Rafał Fitt
