These entries are queried from radb.net using whois, you can try my project getting these.
:AS54860 route: 199.103.96.0/24 descr: Southern Illinois Healthcare origin: AS54860 mnt-by: MAINT-AS30036 changed: hdean [at] mediacomcc.com 20180828 #19:25:46Z source: RADB last-modified: 2023-11-13T15:54:29Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source