These entries are queried from radb.net using whois, you can try my project getting these.
:AS396257 route: 52.144.59.0/24 origin: AS396257 descr: Church of Nazarene mnt-by: MAINT-AS15164 changed: jeremy.finn [at] upnfiber.com 20190807 #21:57:43Z source: RADB last-modified: 2023-11-13T15:57:00Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source