These entries are queried from radb.net using whois, you can try my project getting these.
:AS271252 route: 200.106.160.0/22 descr: PROXY FOR OPENX CUSTOMER origin: AS271252 mnt-by: MAINT-AS263444 notify: registro [at] openx.com.br changed: registro [at] openx.com.br 20230531 remarks: Wed May 31 15:42:22 2023 source: RADB last-modified: 2023-11-13T16:17:25Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 200.106.160.0/23 descr: CLARO S.A. Customer origin: AS271252 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20210705 source: RADB last-modified: 2023-11-13T16:07:50Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 200.106.161.0/24 descr: CLARO S.A. Customer origin: AS271252 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20231002 source: RADB last-modified: 2023-11-13T16:18:46Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 200.106.162.0/23 descr: CLARO S.A. Customer origin: AS271252 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20210513 source: RADB last-modified: 2023-11-13T16:05:44Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:7894::/32 descr: PROXY FOR OPENX CUSTOMER origin: AS271252 mnt-by: MAINT-AS263444 notify: registro [at] openx.com.br changed: registro [at] openx.com.br 20230531 remarks: Wed May 31 15:36:18 2023 source: RADB last-modified: 2023-11-13T16:17:25Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source