These entries are queried from radb.net using whois, you can try my project getting these.
:AS52649 route: 177.66.6.0/24 descr: CLARO S.A. Customer origin: AS52649 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20180815 source: RADB last-modified: 2023-11-13T15:54:26Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source