These entries are queried from radb.net using whois, you can try my project getting these.
:AS47456 route: 91.206.62.0/23 descr: Pervaja Baza Ltd. origin: AS47456 mnt-by: FirstBaza-mnt created: 2008-10-09T09:13:18Z last-modified: 2008-10-09T09:16:36Z 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: 91.206.62.0/24 descr: Pervaja Baza Ltd. origin: AS47456 mnt-by: FirstBaza-mnt created: 2009-01-29T09:49:01Z last-modified: 2009-01-29T09:49:01Z 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: 91.206.63.0/24 descr: Pervaja Baza Ltd. origin: AS47456 mnt-by: FirstBaza-mnt created: 2009-01-19T09:02:04Z last-modified: 2009-01-19T09:02:04Z 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