These entries are queried from radb.net using whois, you can try my project getting these.
:AS29009 route: 46.237.128.0/18 descr: UKB-Enterprise Customers origin: AS29009 mnt-by: UKB-MNT created: 2015-09-04T13:44:54Z last-modified: 2015-09-04T13:44:54Z 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 route: 81.91.192.0/20 descr: UK Broadband Core origin: AS29009 mnt-by: UKB-MNT mnt-routes: UKB-MNT created: 2005-04-12T10:11:46Z last-modified: 2015-09-04T13:46:08Z 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 route: 83.216.64.0/19 descr: UK Broadband - LTE origin: AS29009 mnt-by: UKB-MNT mnt-routes: UKB-MNT created: 2005-04-11T10:25:51Z last-modified: 2015-09-04T13:46:51Z 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 route: 89.104.32.0/19 descr: UK Broadband LTE origin: AS29009 mnt-by: UKB-MNT mnt-routes: UKB-MNT created: 2006-03-08T11:49:28Z last-modified: 2015-09-04T13:47:25Z 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: 2001:4cb0::/32 descr: UK Broadband origin: AS29009 mnt-by: UKB-MNT mnt-routes: UKB-MNT created: 2005-06-14T16:46:56Z last-modified: 2015-09-04T13:41:45Z 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