These entries are queried from radb.net using whois, you can try my project getting these.
:AS398951 route: 66.187.14.0/24 origin: AS398951 descr: As per LOA 11643566 mnt-by: MAINT-AS8100 changed: networking [at] quadranet.com 20210412 #14:27:30Z source: RADB last-modified: 2023-11-13T16:05:29Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source