These entries are queried from radb.net using whois, you can try my project getting these.
:AS18614 route: 199.68.128.0/21 descr: Proxy registered object for Yakima County origin: AS18614 mnt-by: MAINT-AS16713 changed: noc [at] noanet.net 20120608 #18:02:35Z source: RADB last-modified: 2023-11-13T15:47:24Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source