These entries are queried from radb.net using whois, you can try my project getting these.
:AS53183 route: 186.232.0.0/21 origin: AS53183 descr: Customer American Tower mnt-by: MAINT-AS23106 changed: bgp.fibra [at] americantower.com 20200706 #00:47:07Z source: RADB last-modified: 2023-11-13T16:11:41Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 186.232.0.0/22 descr: ITXA-BRASILNET origin: AS53183 mnt-by: MAINT-AS18678 changed: adminred [at] internexa.com 20161020 #19:29:08Z source: RADB last-modified: 2023-11-13T15:49:54Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 186.232.0.0/24 origin: AS53183 descr: QOS TECNOLOGIA E SISTEMAS admin-c: CGR Brasilnet tech-c: CGR Brasilnet mnt-by: MAINT-262808 changed: felipe.videira [at] brasilnet.net.br 20200910 #14:01:27Z source: RADB last-modified: 2023-11-13T16:01:37Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 186.232.1.0/24 origin: AS53183 descr: QOS TECNOLOGIA E SISTEMAS admin-c: CGR Brasilnet tech-c: CGR Brasilnet mnt-by: MAINT-262808 changed: felipe.videira [at] brasilnet.net.br 20200910 #14:02:01Z source: RADB last-modified: 2023-11-13T16:01:37Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 186.232.2.0/24 origin: AS53183 descr: QOS TECNOLOGIA E SISTEMAS admin-c: CGR Brasilnet tech-c: CGR Brasilnet mnt-by: MAINT-262808 changed: felipe.videira [at] brasilnet.net.br 20200910 #14:02:31Z source: RADB last-modified: 2023-11-13T16:01:37Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 186.232.3.0/24 origin: AS53183 descr: QOS TECNOLOGIA E SISTEMAS admin-c: CGR Brasilnet tech-c: CGR Brasilnet mnt-by: MAINT-262808 changed: felipe.videira [at] brasilnet.net.br 20200910 #14:03:31Z source: RADB last-modified: 2023-11-13T16:01:37Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 186.232.4.0/22 descr: G8 Customer Proxy Route origin: AS53183 mnt-by: MAINT-AS28329 changed: no-reply [at] g8.net.br 20200514 source: RADB last-modified: 2023-11-13T16:00:40Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 186.232.4.0/23 descr: G8 Customer Proxy Route origin: AS53183 mnt-by: MAINT-AS28329 changed: no-reply [at] g8.net.br 20201221 source: RADB last-modified: 2023-11-13T16:03:09Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 186.232.6.0/23 descr: CLARO S.A. Customer origin: AS53183 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20210412 source: RADB last-modified: 2023-11-13T16:05:29Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 186.232.6.0/24 descr: CLARO S.A. Customer origin: AS53183 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20210412 source: RADB last-modified: 2023-11-13T16:05:29Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 186.232.7.0/24 descr: CLARO S.A. Customer origin: AS53183 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20210412 source: RADB last-modified: 2023-11-13T16:05:29Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source