These entries are queried from radb.net using whois, you can try my project getting these.
:AS203114 route6: 2001:678:11c::/48 descr: MONTANSTAHLSA-NET6 origin: AS203114 mnt-by: DOLPHINIT-MNT mnt-by: mnt-de-maenkensystems-1 created: 2016-04-13T07:56:30Z last-modified: 2020-04-04T13:18:56Z source: RIPE remarks: **************************** remarks: * THIS OBJECT IS MODIFIED remarks: * Please note that all data that is generally regarded as personal remarks: * data has been removed from this object. remarks: * To view the original object, please query the RIPE Database at: remarks: * http://www.ripe.net/whois remarks: **************************** rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source