These entries are queried from radb.net using whois, you can try my project getting these.
:AS34233 route: 83.137.192.0/21 descr: Superior B.V. origin: AS34233 mnt-by: SUPERIOR-MNT created: 2004-11-26T14:26:51Z last-modified: 2013-12-24T12:23:00Z 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 route6: 2a00:a0c0::/32 descr: Superior BV IPv6 routes origin: AS34233 mnt-by: SUPERIOR-MNT created: 2012-07-06T08:54:29Z last-modified: 2012-07-06T08:54:29Z 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