These entries are queried from radb.net using whois, you can try my project getting these.
:AS46464 route: 74.112.8.0/21 descr: Atlantic Union College origin: AS46464 mnt-by: MAINT-AS27506 changed: slefevre [at] lightower.com 20160810 source: RADB last-modified: 2023-11-13T15:49:48Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source