These entries are queried from radb.net using whois, you can try my project getting these.
:AS44060 route: 147.234.4.0/23 descr: Mietav Dash origin: AS44060 mnt-by: NV-MNT-RIPE created: 2017-01-09T14:37:51Z last-modified: 2017-01-09T14:37:51Z 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: 147.234.4.0/24 origin: AS44060 mnt-by: NV-MNT-RIPE created: 2022-06-26T12:43:28Z last-modified: 2022-06-26T12:43:28Z 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: 147.234.5.0/24 origin: AS44060 mnt-by: NV-MNT-RIPE created: 2022-06-26T12:44:44Z last-modified: 2022-06-26T12:44:44Z 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