These entries are queried from radb.net using whois, you can try my project getting these.
:AS262828 route: 177.155.192.0/21 descr: PROXY FOR OPENX CUSTOMER origin: AS262828 mnt-by: MAINT-AS263444 notify: registro [at] openx.com.br changed: registro [at] openx.com.br 20200417 remarks: Fri Apr 17 11:20:56 2020 source: RADB last-modified: 2023-11-13T16:00:24Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 177.155.192.0/24 descr: CLARO S.A. Customer origin: AS262828 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20210329 source: RADB last-modified: 2023-11-13T16:05:27Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 177.155.193.0/24 descr: CLARO S.A. Customer origin: AS262828 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: not_found # No ROAs found, or RPKI validation not enabled for source route: 186.251.96.0/21 descr: G8 Customer Proxy Route origin: AS262828 mnt-by: MAINT-AS28329 changed: no-reply [at] g8.net.br 20200416 source: RADB last-modified: 2023-11-13T16:00:23Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 186.251.102.0/24 descr: CLARO S.A. Customer origin: AS262828 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20210329 source: RADB last-modified: 2023-11-13T16:05:27Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 186.251.103.0/24 descr: CLARO S.A. Customer origin: AS262828 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20210329 source: RADB last-modified: 2023-11-13T16:05:27Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:2a4::/32 descr: PROXY FOR OPENX CUSTOMER origin: AS262828 mnt-by: MAINT-AS263444 notify: registro [at] openx.com.br changed: registro [at] openx.com.br 20200417 remarks: Fri Apr 17 11:24:56 2020 source: RADB last-modified: 2023-11-13T16:00:24Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source