These entries are queried from radb.net using whois, you can try my project getting these.
:AS54531 route: 199.68.152.0/22 descr: Lucille Packard Children's Hospital origin: AS54531 mnt-by: MAINT-AS32 changed: lea.roberts [at] stanford.edu 20130510 #23:45:39Z source: RADB last-modified: 2023-11-13T15:45:25Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source