These entries are queried from radb.net using whois, you can try my project getting these.
:AS263124 route: 138.186.92.0/23 descr: CLARO S.A. Customer origin: AS263124 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20180815 source: RADB route: 177.92.136.0/24 descr: CLARO S.A. Customer origin: AS263124 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20180815 source: RADB route: 177.92.140.0/24 descr: CLARO S.A. Customer origin: AS263124 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20180815 source: RADB route: 138.186.94.0/24 descr: CLARO S.A. Customer origin: AS263124 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20190204 source: RADB route: 138.186.95.0/24 descr: CLARO S.A. Customer origin: AS263124 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20190204 source: RADB route: 177.92.139.0/24 descr: CLARO S.A. Customer origin: AS263124 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20190325 source: RADB route: 177.92.141.0/24 descr: CLARO S.A. Customer origin: AS263124 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20190325 source: RADB route: 177.92.142.0/24 descr: CLARO S.A. Customer origin: AS263124 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20190325 source: RADB route: 177.92.137.0/24 descr: CLARO S.A. Customer origin: AS263124 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20190808 source: RADB route: 177.92.138.0/24 descr: CLARO S.A. Customer origin: AS263124 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20190808 source: RADB route: 138.186.92.0/24 descr: CLARO S.A. Customer origin: AS263124 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20190925 source: RADB route: 138.186.93.0/24 descr: CLARO S.A. Customer origin: AS263124 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20190925 source: RADB route: 177.92.143.0/24 descr: CLARO S.A. Customer origin: AS263124 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20190925 source: RADB route: 138.186.92.0/22 descr: G8 Customer Proxy Route origin: AS263124 mnt-by: MAINT-AS28329 changed: no-reply [at] g8.net.br 20230828 source: RADB route: 177.92.136.0/21 descr: G8 Customer Proxy Route origin: AS263124 mnt-by: MAINT-AS28329 changed: no-reply [at] g8.net.br 20230828 source: RADB route: 177.92.136.0/21 origin: AS263124 descr: PROXY FOR OUR CUSTOMER CONE mnt-by: MAINT-AS266583 changed: suporte [at] telxe.com.br 20220505 source: ALTDB route: 138.186.92.0/22 origin: AS263124 descr: PROXY FOR OUR CUSTOMER CONE mnt-by: MAINT-AS266583 changed: suporte [at] telxe.com.br 20220505 source: ALTDB route6: 2804:171C::/36 descr: CLARO S.A. Customer origin: AS263124 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20190426 source: RADB route6: 2804:171C::/32 descr: CLARO S.A. Customer origin: AS263124 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20190530 source: RADB route6: 2804:171c::/32 origin: AS263124 descr: PROXY FOR OUR CUSTOMER CONE mnt-by: MAINT-AS266583 changed: suporte [at] telxe.com.br 20220505 source: ALTDB