These entries are queried from radb.net using whois, you can try my project getting these.
:AS197987 route: 91.226.48.0/23 descr: FESCO Transportation Group Managing Company Limited origin: AS197987 mnt-by: SENSYS-MNT created: 2011-08-15T06:56:03Z last-modified: 2011-08-15T06:56:03Z 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: 91.226.48.0/24 descr: FESCO Transportation Group Managing Company Limited origin: AS197987 mnt-by: SENSYS-MNT created: 2016-09-15T09:14:43Z last-modified: 2016-09-15T09:14:43Z 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