These entries are queried from radb.net using whois, you can try my project getting these.
:AS270551 route: 189.50.220.0/22 descr: Loose Telecom origin: AS270551 notify: db-admin [at] bgp.net.br mnt-by: MAINT-AS270551 changed: db-admin [at] bgp.net.br 20200615 source: TC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 189.50.220.0/22 descr: CLARO S.A. Customer origin: AS270551 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20210910 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: 189.50.220.0/23 descr: CLARO S.A. Customer origin: AS270551 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20211007 source: RADB last-modified: 2023-11-13T16:08:17Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 189.50.222.0/23 descr: CLARO S.A. Customer origin: AS270551 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20211007 source: RADB last-modified: 2023-11-13T16:08:17Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:6db8::/32 descr: PROXY FOR OPENX CUSTOMER origin: AS270551 mnt-by: MAINT-AS263444 notify: registro [at] openx.com.br changed: registro [at] openx.com.br 20211015 remarks: Fri Oct 15 19:45:41 2021 source: RADB last-modified: 2023-11-13T16:08:18Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source