These entries are queried from radb.net using whois, you can try my project getting these.
:AS57323 route: 91.231.128.0/22 descr: CJSC "Kubanoptprodtorg" origin: AS57323 mnt-by: KUBANOPT-MNT created: 2011-11-09T11:13:47Z last-modified: 2014-06-24T11:17:01Z 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