These entries are queried from radb.net using whois, you can try my project getting these.
:AS208710 route: 45.66.0.0/22 origin: AS208710 mnt-by: UCC-MNT created: 2023-10-03T05:48:58Z last-modified: 2023-10-03T05:48:58Z 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: 45.66.0.0/24 origin: AS208710 mnt-by: UCC-MNT created: 2019-09-11T09:38:28Z last-modified: 2019-09-11T09:38:28Z 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: 45.66.1.0/24 origin: AS208710 mnt-by: UCC-MNT created: 2019-09-11T09:40:33Z last-modified: 2019-09-11T09:40:33Z 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: 45.66.2.0/24 origin: AS208710 mnt-by: UCC-MNT created: 2019-09-11T09:42:13Z last-modified: 2019-09-11T09:42:13Z 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: 45.66.3.0/24 origin: AS208710 mnt-by: UCC-MNT created: 2019-09-11T09:43:41Z last-modified: 2019-09-11T09:43:41Z 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