These entries are queried from radb.net using whois, you can try my project getting these.
:AS30457 route: 204.78.232.0/23 descr: ADDED FOR - AS30457 origin: AS30457 notify: noc [at] 123.net mnt-by: I123-MNT changed: rpd [at] 123.net 20200219 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source