These entries are queried from radb.net using whois, you can try my project getting these.
:AS270462 route: 200.73.220.0/22 origin: AS270462 descr: CUSTOMER Henrique Hon??rio Pereira Cabral mnt-by: MAINT-AS28598 changed: claudio.passos [at] mobtelecom.com.br 20200306 #15:54:15Z source: RADB last-modified: 2023-11-13T16:12:06Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 200.73.220.0/23 descr: CLARO S.A. Customer origin: AS270462 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20220203 source: RADB last-modified: 2023-11-13T16:09:10Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 200.73.220.0/24 descr: CLARO S.A. Customer origin: AS270462 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20210909 source: RADB last-modified: 2023-11-13T16:08:12Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 200.73.221.0/24 descr: CLARO S.A. Customer origin: AS270462 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20210909 source: RADB last-modified: 2023-11-13T16:08:12Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 200.73.222.0/23 descr: CLARO S.A. Customer origin: AS270462 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20220203 source: RADB last-modified: 2023-11-13T16:09:10Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 200.73.222.0/24 descr: CLARO S.A. Customer origin: AS270462 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20210909 source: RADB last-modified: 2023-11-13T16:08:12Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 200.73.223.0/24 descr: CLARO S.A. Customer origin: AS270462 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20210909 source: RADB last-modified: 2023-11-13T16:08:12Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:6c58::/32 origin: AS270462 descr: CUSTOMER Henrique Hon??rio Pereira Cabral mnt-by: MAINT-AS28598 changed: claudio.passos [at] mobtelecom.com.br 20200306 #15:55:58Z source: RADB last-modified: 2023-11-13T16:12:06Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source