These entries are queried from radb.net using whois, you can try my project getting these.
:AS398926 route: 163.123.227.0/24 origin: AS398926 descr: St. Charles Community College mnt-by: MAINT-BLUEBIRD changed: daniel.johnston [at] bluebirdnetwork.com 20220306 #04:23:39Z source: RADB last-modified: 2023-11-13T16:09:33Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source