These entries are queried from radb.net using whois, you can try my project getting these.
:AS50006 route: 193.104.77.0/24 descr: TAMA PLASTIC origin: AS50006 mnt-by: NV-MNT-RIPE created: 2009-11-26T12:50:16Z last-modified: 2009-11-26T12:50:16Z 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