These entries are queried from radb.net using whois, you can try my project getting these.
:AS272248 route6: 2804:843c::/32 descr: CLARO S.A. Customer origin: AS272248 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20211123 source: RADB last-modified: 2023-11-13T16:08:53Z rpki-ov-state: valid route6: 2804:843c:5000::/44 descr: CLARO S.A. Customer origin: AS272248 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20211125 source: RADB last-modified: 2023-11-13T16:08:56Z rpki-ov-state: valid