These entries are queried from radb.net using whois, you can try my project getting these.
:AS270616 route: 190.106.228.0/22 descr: PROXY FOR OPENX CUSTOMER origin: AS270616 mnt-by: MAINT-AS263444 notify: registro [at] openx.com.br changed: registro [at] openx.com.br 20200409 remarks: Thu Apr 9 17:18:54 2020 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: 190.106.228.0/23 descr: CLARO S.A. Customer origin: AS270616 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20201009 source: RADB last-modified: 2023-11-13T16:02:24Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 190.106.230.0/23 descr: CLARO S.A. Customer origin: AS270616 remarks: Proxy Object notify: irradmin [at] embratel.net.br mnt-by: MAINT-AS4230 changed: irradmin [at] embratel.net.br 20201009 source: RADB last-modified: 2023-11-13T16:02:24Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:6ebc::/32 descr: PROXY FOR OPENX CUSTOMER origin: AS270616 mnt-by: MAINT-AS263444 notify: registro [at] openx.com.br changed: registro [at] openx.com.br 20200409 remarks: Thu Apr 9 17:09:33 2020 source: RADB last-modified: 2023-11-13T16:00:23Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source