IPs 152.53.17.183 resolves to location DE, whilst in fact it is AT. See: https://opengeofeed.org/feed/as197540.html https://apps.db.ripe.net/db-web-ui/query?searchtext=152.53.17.183 Thanks for your support
Fixed in https://git.ipfire.org/?p=location/location-database.git;a=commit;h=b4e51b2178d8f840229de53077c6a201d38664a6. The change will be incorporated in the location database generated tomorrow. Should you run IPFire (which updates the location database on a weekly interval), you should receive the change in 8 days at the latest.