These entries are queried from radb.net using whois, you can try my project getting these.
:AS57901 route: 91.236.100.0/22 descr: PautinaRoute origin: AS57901 mnt-by: IS1239-MNT created: 2012-03-27T14:40:51Z last-modified: 2012-03-27T14:40:51Z 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