These entries are queried from radb.net using whois, you can try my project getting these.
:AS51986 route: 91.222.108.0/22 descr: IT-SERWIS NET origin: AS51986 mnt-by: MNT-INSITE-SPZOO created: 2011-07-15T16:07:13Z last-modified: 2011-07-15T16:07:13Z 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