Well, at least some clients use a geoip database, e.g. qBittorrent: https://github.com/qbittorrent/qBittorrent/blob/2ef059807afc4eee6e1a528d45cabfbdd12fcd2f/src

Well, at least some clients use a geoip database, e.g. qBittorrent: https://github.com/qbittorrent/qBittorrent/blob/2ef059807afc4eee6e1a528d45cabfbdd12fcd2f/src/base/net/geoipmanager.cpp#L46 https://github.com/qbittorrent/qBittorrent/blob/2ef059807afc...