These entries are queried from radb.net using whois, you can try my project getting these.
:AS47466 route: 91.223.184.0/24 descr: PROMONT-PL origin: AS47466 mnt-by: PROMONT-MNT created: 2011-03-07T12:09:31Z last-modified: 2011-03-07T12:09:31Z 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: 195.43.143.0/24 descr: PROMONT-PL origin: AS47466 mnt-by: PROMONT-MNT created: 2009-05-16T20:38:04Z last-modified: 2011-03-07T12:20:03Z 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