These entries are queried from radb.net using whois, you can try my project getting these.
:AS212751 route: 45.66.144.0/24 origin: AS212751 mnt-by: mnt-it-maxidea-1 created: 2021-07-30T16:58:40Z last-modified: 2021-07-30T16:58:40Z 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: 45.66.145.0/24 origin: AS212751 mnt-by: mnt-it-maxidea-1 created: 2020-09-25T12:23:45Z last-modified: 2020-09-25T12:23:45Z 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: 45.66.146.0/24 origin: AS212751 mnt-by: mnt-it-maxidea-1 created: 2020-10-09T10:30:42Z last-modified: 2020-10-09T10:30:42Z 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: 45.66.147.0/24 origin: AS212751 mnt-by: mnt-it-maxidea-1 created: 2022-12-06T09:07:47Z last-modified: 2022-12-06T09:07:47Z 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: 2a10:7c40::/29 origin: AS212751 mnt-by: mnt-it-maxidea-1 created: 2020-10-12T22:27:19Z last-modified: 2020-10-12T22:27:19Z 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