These entries are queried from radb.net using whois, you can try my project getting these.
:AS265992 route6: 2804:40f0::/32 descr: PROXY FOR OPENX CUSTOMER origin: AS265992 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: not_found # No ROAs found, or RPKI validation not enabled for source