These entries are queried from radb.net using whois, you can try my project getting these.
:AS31459 route: 132.185.224.0/20 descr: BBC origin: AS31459 mnt-by: BBC-MNT created: 2004-06-08T12:31:14Z last-modified: 2004-06-08T12:31:14Z 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: 2001:41c0:8000::/33 descr: BBC R&D IPv6 Route origin: AS31459 mnt-by: BBC-MNT created: 2011-05-26T22:12:23Z last-modified: 2011-05-26T22:12:23Z 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