These entries are queried from radb.net using whois, you can try my project getting these.
:AS328668 route: 102.223.36.0/22 descr: Nkponani c/o Internet Solutions (Pty) Ltd (South Africa) origin: AS328668 mnt-by: MAINT-AS3741 changed: nielk [at] is.co.za 20200727 source: RADB last-modified: 2023-11-13T16:01:15Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source