These entries are queried from radb.net using whois, you can try my project getting these.
:AS56806 route: 91.227.52.0/23 descr: COM4S-NET origin: AS56806 mnt-by: OA88731-MNT mnt-by: TELEDISCOUNT-MNT created: 2011-05-24T14:24:52Z last-modified: 2011-05-24T14:54:53Z 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