These entries are queried from radb.net using whois, you can try my project getting these.
:AS47652 route: 91.206.146.0/23 descr: SUPERJOB-NET origin: AS47652 mnt-by: MNT-TRIUMVIRAT-DEVELOPMENT created: 2008-08-08T07:43:54Z last-modified: 2011-07-18T11:47:29Z 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