These entries are queried from radb.net using whois, you can try my project getting these.
:AS198754 route: 193.0.142.0/23 descr: WebCraft-UA aggregate origin: AS198754 mnt-by: WEBCRAFT-MNT created: 2012-05-10T12:56:13Z last-modified: 2016-08-24T20:41:36Z 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