These entries are queried from radb.net using whois, you can try my project getting these.
:AS57285 route: 91.231.69.0/24 descr: route object notify: ripe [at] isys.net.ua origin: AS57285 mnt-by: ISYS-MNT created: 2011-11-08T09:10:23Z last-modified: 2016-02-26T22:30:54Z 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: not_found # No ROAs found, or RPKI validation not enabled for source