These entries are queried from radb.net using whois, you can try my project getting these.
:AS33976 route: 144.63.0.0/16 descr: Schibsted origin: AS33976 mnt-by: SCHIBSTED-SE-MNT created: 2014-10-06T09:37:36Z last-modified: 2014-10-06T09:37:36Z 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: 144.63.0.0/17 descr: Schibsted origin: AS33976 mnt-by: SCHIBSTED-SE-MNT created: 2014-10-07T07:31:40Z last-modified: 2014-10-07T07:31:40Z 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: 144.63.240.0/20 descr: Schibsted origin: AS33976 mnt-by: SCHIBSTED-SE-MNT created: 2009-06-18T15:35:29Z last-modified: 2014-10-06T09:40:09Z 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