These entries are queried from radb.net using whois, you can try my project getting these.
:AS399413 route: 209.237.143.0/24 origin: AS399413 descr: Greater Regional Medical Center mnt-by: MAINT-AS30036 changed: ezinnel [at] mediacomcc.com 20210603 #16:18:02Z source: RADB last-modified: 2023-11-13T16:05:48Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source