These entries are queried from radb.net using whois, you can try my project getting these.
:AS263364 route: 191.36.237.0/24 descr: PROXY FOR OPENX CUSTOMER origin: AS263364 mnt-by: MAINT-AS263444 notify: registro [at] openx.com.br changed: registro [at] openx.com.br 20210915 remarks: Wed Sep 15 19:23:18 2021 source: RADB last-modified: 2023-11-13T16:08:13Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2801:80:970::/48 origin: AS263364 descr: CUSTOMER Tetra Pak Ltda mnt-by: MAINT-AS28598 changed: jose.tiago [at] mobtelecom.com.br 20210318 #16:39:18Z source: RADB last-modified: 2023-11-13T16:12:06Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source