These entries are queried from radb.net using whois, you can try my project getting these.
:AS270483 route: 200.73.216.0/22 origin: AS270483 descr: AS270483 mnt-by: MAINT-AS52965 changed: rodrigo [at] 1telecom.com.br 20200318 #17:57:15Z source: RADB last-modified: 2023-11-13T16:00:11Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 200.73.216.0/24 descr: CLARO S.A. Customer origin: AS270483 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20211126 source: RADB last-modified: 2023-11-13T16:08:56Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 200.73.217.0/24 descr: CLARO S.A. Customer origin: AS270483 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20211126 source: RADB last-modified: 2023-11-13T16:08:56Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 200.73.218.0/24 descr: CLARO S.A. Customer origin: AS270483 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20211126 source: RADB last-modified: 2023-11-13T16:08:56Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 200.73.219.0/24 descr: CLARO S.A. Customer origin: AS270483 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20211126 source: RADB last-modified: 2023-11-13T16:08:56Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:63f8::/32 origin: AS270483 descr: CUSTOMER Ronny.Net LTDA - ME mnt-by: MAINT-AS28598 changed: jose.tiago [at] mobtelecom.com.br 20200317 #21:47:56Z source: RADB last-modified: 2023-11-13T16:12:07Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:6ca8::/32 origin: AS270483 descr: CUSTOMER Ronny.Net LTDA - ME mnt-by: MAINT-AS28598 changed: jose.tiago [at] mobtelecom.com.br 20200317 #21:50:44Z source: RADB last-modified: 2023-11-13T16:12:06Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source