These entries are queried from radb.net using whois, you can try my project getting these.
:AS210298 route: 88.214.12.0/22 origin: AS210298 mnt-by: VEGANET-MNT mnt-by: HD2501-MNT mnt-by: RMENET-MNT mnt-by: de-swkstadtwerke-1-mnt mnt-by: HD96977-MNT created: 2023-08-03T12:40:38Z last-modified: 2023-08-03T12:40:38Z 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 route: 109.73.132.0/22 descr: route 109.73.132.0/22 AS210298 origin: AS210298 remarks: mnt-by: HD2501-MNT mnt-by: de-swkstadtwerke-1-mnt created: 2018-09-12T15:04:38Z last-modified: 2018-09-12T15:04:38Z 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