These entries are queried from radb.net using whois, you can try my project getting these.
:AS198348 route: 91.233.230.0/23 descr: "Enterprise NIX" Ltd. origin: AS198348 mnt-by: NIX-MNT created: 2011-12-23T09:30:44Z last-modified: 2011-12-23T09:30:44Z 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: valid