These entries are queried from radb.net using whois, you can try my project getting these.
:AS197463 route: 91.220.234.0/24 descr: Crossflight Ltd origin: AS197463 mnt-by: AA created: 2012-03-04T12:17:15Z last-modified: 2015-05-26T14:38:35Z 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