These entries are queried from radb.net using whois, you can try my project getting these.
:AS6873 route: 89.174.75.0/24 origin: AS6873 mnt-by: IPARTNERS-MNT created: 2023-12-22T10:34:50Z last-modified: 2023-12-22T10:35:30Z 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: 193.104.156.0/24 descr: Librum origin: AS6873 mnt-by: NETIA-MNT created: 2010-04-23T10:25:28Z last-modified: 2012-12-28T12:40:01Z 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