These entries are queried from radb.net using whois, you can try my project getting these.
:AS51446 route: 83.217.8.0/24 descr: OOO KAT-Telecom origin: AS51446 mnt-by: PROEKT-MNT created: 2024-03-22T07:00:45Z last-modified: 2024-03-22T07:00:45Z 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: 83.217.12.0/23 descr: SP Argaev Artem Sergeyevich origin: AS51446 mnt-by: PROEKT-MNT created: 2019-10-01T05:35:45Z last-modified: 2019-10-01T05:35:45Z 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: 83.217.12.0/24 descr: SP Argaev Artem Sergeyevich origin: AS51446 mnt-by: PROEKT-MNT created: 2016-02-05T07:21:38Z last-modified: 2016-02-05T07:21:38Z 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: 83.217.13.0/24 descr: SP Argaev Artem Sergeyevich origin: AS51446 mnt-by: PROEKT-MNT created: 2019-10-01T05:38:36Z last-modified: 2019-10-01T05:38:36Z 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