These entries are queried from radb.net using whois, you can try my project getting these.
:AS208283 route: 45.144.6.0/23 origin: AS208283 mnt-by: mnt-ee-cybernetica-1 created: 2019-10-02T09:58:07Z last-modified: 2019-10-02T09:58:07Z 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: 2a0e:e744::/30 origin: AS208283 mnt-by: mnt-ee-cybernetica-1 mnt-by: MNT-IPTRON created: 2019-10-19T17:14:24Z last-modified: 2019-10-19T17:14:24Z 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