These entries are queried from radb.net using whois, you can try my project getting these.
:AS47808 route: 91.206.216.0/23 descr: Freight Link JSC origin: AS47808 mnt-by: MNT-FREIGHT-LINK created: 2008-12-05T13:43:41Z last-modified: 2016-04-12T15:54:58Z 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: 91.206.216.0/24 origin: AS47808 mnt-by: MNT-FREIGHT-LINK created: 2017-03-30T08:27:02Z last-modified: 2017-03-30T08:27:02Z 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