These entries are queried from radb.net using whois, you can try my project getting these.
:AS47819 route: 91.208.23.0/24 descr: AVIVARU block-1 origin: AS47819 mnt-by: AVIVARU-MNT notify: dns [at] aviva.ru created: 2008-08-27T11:23:21Z last-modified: 2009-01-30T11:26:25Z 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