These entries are queried from radb.net using whois, you can try my project getting these.
:AS51897 route: 46.143.192.0/19 origin: AS51897 mnt-by: mihan mnt-by: HAMED mnt-by: MNT-MIHAN mnt-by: MNT-Hamed created: 2022-12-25T13:08:58Z last-modified: 2022-12-25T13:08:58Z 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: 109.122.248.0/24 origin: AS51897 mnt-by: mihan mnt-by: HAMED mnt-by: MNT-MIHAN mnt-by: MNT-Hamed created: 2023-01-24T12:27:02Z last-modified: 2023-01-24T12:27:02Z 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