These entries are queried from radb.net using whois, you can try my project getting these.
:AS52197 route: 91.223.37.0/24 descr: OGU GIR-OREL RU origin: AS52197 mnt-by: MNT-SITC-OREL-MNT created: 2011-01-30T09:15:59Z last-modified: 2011-01-30T09:15:59Z 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