These entries are queried from radb.net using whois, you can try my project getting these.
:AS61799 route: 201.7.220.0/22 descr: PROXY FOR OPENX CUSTOMER origin: AS61799 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: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2804:1984::/32 descr: PROXY FOR OPENX CUSTOMER origin: AS61799 mnt-by: MAINT-AS263444 notify: registro [at] openx.com.br changed: registro [at] openx.com.br 20220210 remarks: Thu Feb 10 10:02:24 2022 source: RADB last-modified: 2023-11-13T16:09:23Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source