These entries are queried from radb.net using whois, you can try my project getting these.
:AS63372 route: 192.94.251.0/24 descr: Websan origin: AS63372 mnt-by: MAINT-AS20161 changed: ipnoc [at] terago.ca 20150727 #18:47:27Z source: RADB last-modified: 2023-11-13T15:48:02Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source