These entries are queried from radb.net using whois, you can try my project getting these.
:AS53227 route: 186.251.160.0/21 descr: CLARO S.A. Customer origin: AS53227 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20191004 source: RADB last-modified: 2023-11-13T15:58:16Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 186.251.160.0/22 descr: CLARO S.A. Customer origin: AS53227 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20191004 source: RADB last-modified: 2023-11-13T15:58:16Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 186.251.160.0/23 descr: CLARO S.A. Customer origin: AS53227 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20191004 source: RADB last-modified: 2023-11-13T15:58:28Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 186.251.162.0/23 descr: CLARO S.A. Customer origin: AS53227 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20191004 source: RADB last-modified: 2023-11-13T15:58:28Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 186.251.164.0/22 descr: CLARO S.A. Customer origin: AS53227 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20191004 source: RADB last-modified: 2023-11-13T15:58:28Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 186.251.164.0/23 descr: CLARO S.A. Customer origin: AS53227 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20191004 source: RADB last-modified: 2023-11-13T15:58:28Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 186.251.166.0/23 descr: CLARO S.A. Customer origin: AS53227 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20191004 source: RADB last-modified: 2023-11-13T15:58:28Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:3a38::/32 origin: AS53227 descr: Prefixo AS53227 remarks: Proxy Object mnt-by: MAINT-AS28283 changed: peering [at] adylnet.com.br 20200206 #22:10:20Z source: RADB last-modified: 2023-11-13T15:59:44Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source