These entries are queried from radb.net using whois, you can try my project getting these.
:AS327925 route: 169.239.52.0/22 descr: Proxy-registered route object origin: AS327925 mnt-by: MAINT-AS36994 changed: ashwin.lalla [at] vodacom.co.za 20150918 #13:35:02Z source: RADB last-modified: 2023-11-13T15:48:09Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source