These entries are queried from radb.net using whois, you can try my project getting these.
:AS44340 route: 146.120.174.0/23 origin: AS44340 mnt-by: RIPE-DB-MNT mnt-by: MNT-BIOS-TELECOM created: 2017-02-20T07:37:29Z last-modified: 2017-02-20T07:37:29Z 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: 146.120.174.0/24 origin: AS44340 mnt-by: MNT-BIOS-TELECOM mnt-by: RIPE-DB-MNT created: 2020-01-12T11:15:11Z last-modified: 2020-01-12T11:15:11Z 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: 146.120.175.0/24 origin: AS44340 mnt-by: MNT-BIOS-TELECOM mnt-by: RIPE-DB-MNT created: 2020-01-12T11:16:09Z last-modified: 2020-01-12T11:16:09Z 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