These entries are queried from radb.net using whois, you can try my project getting these.
:AS20370 route: 76.74.90.0/24 descr: CERVALIS origin: AS20370 mnt-by: MAINT-AS27506 changed: bgp [at] electricfiber.com 20071004 #23:20:50(UTC) source: RADB last-modified: 2023-11-13T15:42:43Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source