These entries are queried from radb.net using whois, you can try my project getting these.
:AS207648 route: 81.29.133.0/24 origin: AS207648 mnt-by: mnt-ru-imaqliq-1 mnt-by: CUBIO-RUS-MNT mnt-by: MICTIAN created: 2020-02-03T14:44:26Z last-modified: 2020-02-03T14:44:26Z 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