These entries are queried from radb.net using whois, you can try my project getting these.
:AS270743 route: 187.102.198.0/23 descr: G L DE BARROS E CIA LTDA ME origin: AS270743 notify: db-admin [at] bgp.net.br mnt-by: MAINT-AS270743 changed: db-admin [at] bgp.net.br 20200614 source: TC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source