These entries are queried from radb.net using whois, you can try my project getting these.
:AS271062 route: 179.48.4.0/22 origin: AS271062 descr: Proxy Route for Clienteorigin: 262476 mnt-by: MAINT-262476 changed: suporte [at] brcentral.com.br 20200804 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 179.48.4.0/22 descr: G8 Customer Proxy Route origin: AS271062 mnt-by: MAINT-AS28329 changed: no-reply [at] g8.net.br 20200928 source: RADB last-modified: 2023-11-13T16:01:58Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 179.48.6.0/23 descr: CLARO S.A. Customer origin: AS271062 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 route: 179.48.6.0/24 descr: CLARO S.A. Customer origin: AS271062 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 route: 179.48.7.0/24 descr: CLARO S.A. Customer origin: AS271062 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20211103 source: RADB last-modified: 2023-11-13T16:08:37Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:75ac::/32 origin: AS271062 descr: Proxy Route for Clienteorigin: 262476 mnt-by: MAINT-262476 changed: suporte [at] brcentral.com.br 20200804 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:75ac::/32 descr: G8 Customer Proxy Route origin: AS271062 mnt-by: MAINT-AS28329 changed: no-reply [at] g8.net.br 20200928 source: RADB last-modified: 2023-11-13T16:01:58Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:75ac:8000::/33 descr: CLARO S.A. Customer origin: AS271062 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20211103 source: RADB last-modified: 2023-11-13T16:08:37Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source