These entries are queried from radb.net using whois, you can try my project getting these.
:AS270905 route: 189.50.52.0/22 origin: AS270905 descr: Faiser Telecomunicações mnt-by: MAINT-AS53087 changed: noc [at] tely.com.br 20200715 #02:49:30Z source: RADB last-modified: 2023-11-13T16:01:13Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 189.50.52.0/23 descr: CLARO S.A. Customer origin: AS270905 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20201027 source: RADB last-modified: 2023-11-13T16:02:40Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 189.50.52.0/24 descr: CLARO S.A. Customer origin: AS270905 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20210127 source: RADB last-modified: 2023-11-13T16:03:31Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 189.50.53.0/24 descr: CLARO S.A. Customer origin: AS270905 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20201130 source: RADB last-modified: 2023-11-13T16:03:06Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 189.50.54.0/23 descr: CLARO S.A. Customer origin: AS270905 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20201027 source: RADB last-modified: 2023-11-13T16:02:40Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 189.50.54.0/24 descr: CLARO S.A. Customer origin: AS270905 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20201130 source: RADB last-modified: 2023-11-13T16:03:06Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 189.50.55.0/24 descr: CLARO S.A. Customer origin: AS270905 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20201109 source: RADB last-modified: 2023-11-13T16:02:42Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:7344::/32 origin: AS270905 descr: Faiser Telecomunicações mnt-by: MAINT-AS53087 changed: noc [at] tely.com.br 20200715 #02:50:07Z source: RADB last-modified: 2023-11-13T16:01:13Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source