These entries are queried from radb.net using whois, you can try my project getting these.
:AS18951 route: 192.40.23.0/24 descr: 400-CAPITAL-MANAGEMENT origin: AS18951 mnt-by: MAINT-RAINBOW changed: engineering [at] gigstreem.com 20230404 source: NTTCOM last-modified: 2023-04-05T02:01:00Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source