These entries are queried from radb.net using whois, you can try my project getting these.
:AS57442 route: 91.232.21.0/24 descr: FOP Hradil Galuna Ivanivna origin: AS57442 mnt-by: ISASHKA-UA-MNT created: 2011-10-26T12:15:38Z last-modified: 2017-08-30T20:28:21Z 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