These entries are queried from radb.net using whois, you can try my project getting these.
:AS60456 route: 45.81.204.0/22 origin: AS60456 mnt-by: REVTELECOM-MNT created: 2020-10-16T06:41:35Z last-modified: 2021-03-05T09:03:37Z 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: 185.231.168.0/22 origin: AS60456 mnt-by: mnt-fr-revtelecom-1 created: 2021-04-14T20:56:54Z last-modified: 2023-11-07T12:42:50Z 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: 2001:470:1df::/48 origin: AS60456 descr: NET-2001-470-1df---48-AS60456 admin-c: ZH17-ARIN tech-c: ZH17-ARIN mnt-by: MNT-HURC source: ARIN created: 2023-10-20T01:45:13Z last-modified: 2023-10-20T01:45:13Z rpki-ov-state: valid route6: 2a0e:5f80::/29 origin: AS60456 mnt-by: mnt-fr-revtelecom-1 created: 2023-10-18T14:10:25Z last-modified: 2023-10-18T14:10:25Z 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