These entries are queried from radb.net using whois, you can try my project getting these.
:AS201286 route: 66.187.238.0/24 descr: Redhat origin: AS201286 notify: admin [at] int-gw.kddi.ne.jp mnt-by: MAINT-AS2516 changed: admin [at] int-gw.kddi.ne.jp 20180213 source: RADB last-modified: 2023-11-13T15:53:18Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source