These entries are queried from radb.net using whois, you can try my project getting these.
:AS62991 route: 198.99.196.0/24 descr: Columbia Valley Community Health origin: AS62991 admin-c: PORTE103-ARIN tech-c: PORTE103-ARIN notify: itdept [at] cvch.org mnt-by: MAINT-AS62991 changed: mporter [at] cvch.org 20150820 #15:46:15Z source: RADB last-modified: 2023-11-13T15:48:06Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source