These entries are queried from radb.net using whois, you can try my project getting these.
:AS265883 route: 45.227.164.0/22 descr: PROXY FOR OPENX CUSTOMER origin: AS265883 mnt-by: MAINT-AS263444 notify: registro [at] openx.com.br changed: registro [at] openx.com.br 20210308 remarks: Mon Mar 8 21:18:13 2021 source: RADB last-modified: 2023-11-13T16:05:08Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 200.59.220.0/22 descr: This is a BR.Digital customer proxy route object that was created because no existing route object with the same origin was found. Please contact bgp [at] br.digital if you have any questions regarding this object. origin: AS265883 mnt-by: MAINT-AS14840 changed: gacosta [at] br.digital 20211112 #17:40:02Z source: RADB last-modified: 2023-11-13T16:08:40Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2803:fe20::/32 descr: PROXY FOR OPENX CUSTOMER origin: AS265883 mnt-by: MAINT-AS263444 notify: registro [at] openx.com.br changed: registro [at] openx.com.br 20190529 remarks: Wed May 29 17:41:27 2019 source: RADB last-modified: 2023-11-13T16:00:23Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source