These entries are queried from radb.net using whois, you can try my project getting these.
:AS61346 route: 193.141.226.0/24 descr: Heerema Marine Contractors Nederland B.V. origin: AS61346 mnt-by: KPN-MNT notify: kpn-ip-office [at] kpn.com created: 2013-03-18T09:57:58Z last-modified: 2013-03-18T12:02:45Z 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