These entries are queried from radb.net using whois, you can try my project getting these.
:AS267509 route: 201.182.53.0/24 descr: CLARO S.A. Customer origin: AS267509 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20200810 source: RADB last-modified: 2023-11-13T16:01:31Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2801:80:1df0::/48 origin: AS267509 descr: CUSTOMER Tribunal Regional Federal mnt-by: MAINT-AS28598 changed: gabriel.sousa [at] mobtelecom.com.br 20210224 #12:20:37Z source: RADB last-modified: 2023-11-13T16:12:06Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source