These entries are queried from radb.net using whois, you can try my project getting these.
:AS44321 route: 146.120.12.0/24 origin: AS44321 mnt-by: RIPE-DB-MNT mnt-by: MNT-KING-NET created: 2021-10-28T13:21:38Z last-modified: 2021-10-28T13:21:38Z 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: 146.120.40.0/21 origin: AS44321 mnt-by: RIPE-DB-MNT created: 2024-04-24T10:07:21Z last-modified: 2024-04-24T10:07:21Z 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: 146.120.56.0/21 origin: AS44321 mnt-by: RIPE-DB-MNT mnt-by: MNT-KING-NET created: 2021-12-13T14:58:53Z last-modified: 2021-12-13T14:58:53Z 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: valid route: 146.120.97.0/24 origin: AS44321 mnt-by: RIPE-DB-MNT mnt-by: MNT-KING-NET created: 2017-09-07T10:55:55Z last-modified: 2017-09-07T10:55:55Z 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