These entries are queried from radb.net using whois, you can try my project getting these.
:AS198896 route: 91.232.90.0/23 descr: CityLAN Lukasz Wajs origin: AS198896 mnt-by: CITY-LAN-MNT created: 2012-06-18T08:04:47Z last-modified: 2012-06-21T09:11:27Z 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