These entries are queried from radb.net using whois, you can try my project getting these.
:AS39147 route: 185.50.249.0/24 descr: BOOKCLUB-ROUTE origin: AS39147 mnt-by: ATOM-MNT created: 2014-04-08T08:53:21Z last-modified: 2014-04-08T08:53:21Z 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