These entries are queried from radb.net using whois, you can try my project getting these.
:AS267145 route: 45.230.28.0/22 descr: G8 Customer Proxy Route origin: AS267145 mnt-by: MAINT-AS28329 changed: no-reply [at] g8.net.br 20210806 source: RADB last-modified: 2023-11-13T16:08:02Z rpki-ov-state: valid route: 45.230.28.0/22 descr: PROXY FOR OUR CUSTUMER origin: AS267145 mnt-by: MAINT-AS263558 changed: jetelecom [at] jetelecom.com.br 20210118 source: ALTDB rpki-ov-state: valid route: 45.230.28.0/22 descr: Netsim Provedor (AS267145) origin: AS267145 notify: suporte [at] natverk.com.br mnt-by: MAINT-AS267145 changed: suportenetsim [at] hotmail.com 20221109 source: TC last-modified: 2022-11-17T13:33:22Z rpki-ov-state: valid route: 45.230.28.0/23 descr: Netsim Provedor (AS267145) origin: AS267145 notify: suporte [at] natverk.com.br mnt-by: MAINT-AS267145 changed: suportenetsim [at] hotmail.com 20221109 source: TC last-modified: 2022-11-17T13:33:22Z rpki-ov-state: valid route: 45.230.28.0/24 descr: Netsim Provedor (AS267145) origin: AS267145 notify: suporte [at] natverk.com.br mnt-by: MAINT-AS267145 changed: suportenetsim [at] hotmail.com 20221109 source: TC last-modified: 2022-11-17T13:33:22Z rpki-ov-state: valid route: 45.230.28.0/24 descr: CLARO S.A. Customer origin: AS267145 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20190808 source: RADB last-modified: 2023-11-13T15:57:01Z rpki-ov-state: valid route: 45.230.29.0/24 descr: Netsim Provedor (AS267145) origin: AS267145 notify: suporte [at] natverk.com.br mnt-by: MAINT-AS267145 changed: suportenetsim [at] hotmail.com 20221109 source: TC last-modified: 2022-11-17T13:33:22Z rpki-ov-state: valid route: 45.230.30.0/23 descr: Netsim Provedor (AS267145) origin: AS267145 notify: suporte [at] natverk.com.br mnt-by: MAINT-AS267145 changed: suportenetsim [at] hotmail.com 20221109 source: TC last-modified: 2022-11-17T13:33:22Z rpki-ov-state: valid route: 45.230.30.0/24 descr: Netsim Provedor (AS267145) origin: AS267145 notify: suporte [at] natverk.com.br mnt-by: MAINT-AS267145 changed: suportenetsim [at] hotmail.com 20221109 source: TC last-modified: 2022-11-17T13:33:22Z rpki-ov-state: valid route: 45.230.31.0/24 descr: Netsim Provedor (AS267145) origin: AS267145 notify: suporte [at] natverk.com.br mnt-by: MAINT-AS267145 changed: suportenetsim [at] hotmail.com 20221109 source: TC last-modified: 2022-11-17T13:33:22Z rpki-ov-state: valid route: 45.230.31.0/24 descr: CLARO S.A. Customer origin: AS267145 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20190807 source: RADB last-modified: 2023-11-13T15:57:00Z rpki-ov-state: valid route6: 2804:48cc::/32 descr: PROXY FOR OUR COSTUMER CONE origin: AS267145 mnt-by: MAINT-AS263558 changed: jetelecom [at] jetelecom.com.br 20210118 source: ALTDB rpki-ov-state: valid route6: 2804:48cc::/32 descr: G8 Customer Proxy Route origin: AS267145 mnt-by: MAINT-AS28329 changed: no-reply [at] g8.net.br 20210806 source: RADB last-modified: 2023-11-13T16:08:02Z rpki-ov-state: valid route6: 2804:48cc::/32 descr: Netsim Provedor (AS267145) origin: AS267145 notify: suporte [at] natverk.com.br mnt-by: MAINT-AS267145 changed: suportenetsim [at] hotmail.com 20221109 source: TC last-modified: 2022-11-17T13:35:50Z rpki-ov-state: valid