These entries are queried from radb.net using whois, you can try my project getting these.
:AS397811 route: 199.66.255.0/24 origin: AS397811 descr: Proxy advertisement on behalf of Clearview/QSS mnt-by: MAINT-AS22995 changed: ron [at] f6networks.ca 20210226 #03:12:59Z source: RADB last-modified: 2023-11-13T16:09:25Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source