These entries are queried from radb.net using whois, you can try my project getting these.
:AS34558 route: 62.173.0.0/19 descr: Melita Ltd origin: AS34558 mnt-lower: MELITACABLE-MNT mnt-routes: MELITACABLE-MNT notify: notify [at] melitacable.com mnt-by: MELITACABLE-MNT created: 2023-08-25T12:30:32Z last-modified: 2023-08-25T12:43:04Z 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 route: 62.173.0.0/20 descr: Melita Ltd origin: AS34558 mnt-lower: MELITACABLE-MNT mnt-routes: MELITACABLE-MNT notify: notify [at] melitacable.com mnt-by: MELITACABLE-MNT created: 2023-11-23T10:02:54Z last-modified: 2023-11-23T10:02:54Z 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