These entries are queried from radb.net using whois, you can try my project getting these.
:AS199473 route: 185.15.132.0/22 descr: barnet origin: AS199473 mnt-by: ST33120-MNT mnt-routes: ST33120-MNT created: 2013-06-06T20:01:35Z last-modified: 2013-06-08T09:08:11Z 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: valid route6: 2a10:f781:10:e33::/64 origin: AS199473 descr: EPIX-LORA-BARNETPRZE mnt-by: EPOLUDNIE-MNT mnt-by: EPOLUDNIE-MP-MNT mnt-lower: EPOLUDNIE-MNT mnt-lower: EPOLUDNIE-MP-MNT created: 2022-05-16T06:34:31Z last-modified: 2022-05-16T06:34:31Z 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