These entries are queried from radb.net using whois, you can try my project getting these.
:AS263576 route: 186.249.220.0/24 descr: CLARO S.A. Customer origin: AS263576 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20190520 source: RADB last-modified: 2023-11-13T15:56:11Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2801:80:760::/48 descr: CLARO S.A. Customer origin: AS263576 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20190520 source: RADB last-modified: 2023-11-13T15:56:11Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source