These entries are queried from radb.net using whois, you can try my project getting these.
:AS270320 route: 190.83.4.0/22 descr: X-NET COMUNICACOES LTDA origin: AS270320 notify: adriano [at] xnetbandalarga.com.br mnt-by: MAINT-AS270320 changed: suporte [at] brauser.com.br 20200922 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 190.83.4.0/22 descr: CLARO S.A. Customer origin: AS270320 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: 190.83.4.0/23 descr: CLARO S.A. Customer origin: AS270320 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: 190.83.6.0/23 descr: CLARO S.A. Customer origin: AS270320 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: 190.83.7.0/24 descr: X-NET COMUNICACOES LTDA origin: AS270320 notify: suporte [at] brauser.com.br mnt-by: MAINT-AS270320 changed: suporte [at] brauser.com.br 20200922 source: TC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:6a38::/32 descr: X-NET COMUNICACOES LTDA origin: AS270320 notify: adriano [at] xnetbandalarga.com.br mnt-by: MAINT-AS270320 changed: suporte [at] brauser.com.br 20200922 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source