These entries are queried from radb.net using whois, you can try my project getting these.
:AS263028 route: 177.8.112.0/20 descr: Roveri Op\xe7\xe3o Provedor de Acesso a Internet Ltda ME origin: AS263028 notify: db-admin [at] bgp.net.br mnt-by: MAINT-AS263028 changed: db-admin [at] bgp.net.br 20191111 source: TC last-modified: 2021-05-05T02:07:41Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:a2c::/32 descr: CLARO S.A. Customer origin: AS263028 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20201006 source: RADB last-modified: 2023-11-13T16:01:59Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source