These entries are queried from radb.net using whois, you can try my project getting these.
:AS271652 route: 200.50.148.0/22 descr: CLARO S.A. Customer origin: AS271652 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20231004 source: RADB last-modified: 2023-11-13T16:18:47Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:7edc::/32 descr: CLARO S.A. Customer origin: AS271652 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20210607 source: RADB last-modified: 2023-11-13T16:05:48Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source