These entries are queried from radb.net using whois, you can try my project getting these.
:AS52576 route: 177.86.200.0/22 descr: PROXY FOR OPENX CUSTOMER origin: AS52576 mnt-by: MAINT-AS263444 notify: registro [at] openx.com.br changed: registro [at] openx.com.br 20210518 remarks: Tue May 18 13:36:22 2021 source: RADB last-modified: 2023-11-13T16:05:44Z rpki-ov-state: valid route: 177.86.200.0/24 descr: CLARO S.A. Customer origin: AS52576 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20240131 source: RADB last-modified: 2024-01-31T18:17:24Z rpki-ov-state: valid route: 177.86.202.0/24 descr: CLARO S.A. Customer origin: AS52576 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20231221 source: RADB last-modified: 2023-12-21T13:51:08Z rpki-ov-state: valid route: 177.86.203.0/24 descr: CLARO S.A. Customer origin: AS52576 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20231221 source: RADB last-modified: 2023-12-21T13:51:08Z rpki-ov-state: valid route: 177.86.204.0/22 descr: PROXY FOR OPENX CUSTOMER origin: AS52576 mnt-by: MAINT-AS263444 notify: registro [at] openx.com.br changed: registro [at] openx.com.br 20210518 remarks: Tue May 18 13:36:22 2021 source: RADB last-modified: 2023-11-13T16:05:44Z rpki-ov-state: valid route: 177.86.204.0/24 descr: CLARO S.A. Customer origin: AS52576 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20231221 source: RADB last-modified: 2023-12-21T13:51:08Z rpki-ov-state: valid route6: 2804:cf0::/32 descr: PROXY FOR OPENX CUSTOMER origin: AS52576 mnt-by: MAINT-AS263444 notify: registro [at] openx.com.br changed: registro [at] openx.com.br 20210518 remarks: Tue May 18 14:20:37 2021 source: RADB last-modified: 2023-11-13T16:05:44Z rpki-ov-state: valid