These entries are queried from radb.net using whois, you can try my project getting these.
:AS6794 route: 213.5.56.0/21 descr: HRT origin: AS6794 mnt-by: AS6794-MNT created: 2009-11-05T08:25:43Z last-modified: 2009-11-05T08:25:43Z 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