These entries are queried from radb.net using whois, you can try my project getting these.
:AS19062 route: 192.197.96.0/20 descr: Route learned from w3media origin: AS19062 mnt-by: MAINT-AS25668 changed: tlum [at] aebc.com 20151127 #16:42:05Z source: RADB last-modified: 2023-11-13T15:48:27Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source