These entries are queried from radb.net using whois, you can try my project getting these.
:AS271295 route: 190.52.74.0/23 descr: CLARO S.A. Customer origin: AS271295 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20210525 source: RADB last-modified: 2023-11-13T16:05:46Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:7944::/32 descr: G8 Customer Proxy Route origin: AS271295 mnt-by: MAINT-AS28329 changed: no-reply [at] g8.net.br 20200911 source: RADB last-modified: 2023-11-13T16:01:37Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:7944::/33 descr: CLARO S.A. Customer origin: AS271295 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20210513 source: RADB last-modified: 2023-11-13T16:05:44Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source