These entries are queried from radb.net using whois, you can try my project getting these.
:AS28588 route: 200.229.48.0/20 descr: Diveo customer route admin-c: FV298-ARIN tech-c: FV298-ARIN origin: AS28588 notify: jtoni [at] diveo.net.br mnt-by: DIVEO-MNT changed: jtoni [at] diveo.net.br 20041014 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source