These entries are queried from radb.net using whois, you can try my project getting these.
:AS42552 route: 91.192.204.0/22 descr: NILES route origin: AS42552 mnt-by: NILES-MNT mnt-by: MNT-EXATEL created: 2007-03-09T14:42:25Z last-modified: 2017-04-19T08:50:51Z 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