These entries are queried from radb.net using whois, you can try my project getting these.
:AS33213 route: 104.218.247.0/24 descr: update 2wayBasin origin: AS33213 mnt-by: TLSN-MNT changed: jrobinson2524 [at] gmail.com 20200519 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source