These entries are queried from radb.net using whois, you can try my project getting these.
:AS204841 route: 45.12.252.0/24 origin: AS204841 mnt-by: AVSYSTEM-MNT created: 2023-04-07T10:28:47Z last-modified: 2023-04-07T12:13:26Z source: RIPE org: ORG-AA2780-RIPE mnt-routes: AVSYSTEM-MNT 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: 2a06:a005:434::/48 origin: AS204841 mnt-by: AVSYSTEM-MNT created: 2022-08-01T11:22:43Z last-modified: 2023-11-09T12:47:48Z source: RIPE mnt-routes: AVSYSTEM-MNT 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: 2a0e:97c0:d30::/44 origin: AS204841 mnt-by: AVSYSTEM-MNT created: 2023-07-07T09:03:34Z last-modified: 2023-07-07T09:03:34Z 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: 2a0e:97c0:d40::/44 origin: AS204841 mnt-by: AVSYSTEM-MNT created: 2023-07-07T09:03:53Z last-modified: 2023-07-07T09:03:53Z 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