These entries are queried from radb.net using whois, you can try my project getting these.
:AS11684 route: 205.142.248.0/22 origin: AS11684 descr: Jefferson County Department of Health mnt-by: MAINT-AS13760 changed: graham.wooden [at] uniti.com 20231010 #17:57:15Z source: RADB last-modified: 2023-11-13T16:18:59Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source