These entries are queried from radb.net using whois, you can try my project getting these.
:AS37320 route: 41.77.64.0/21 descr: c/o Internet Solutions (Pty) Ltd (South Africa) origin: AS37320 mnt-by: MAINT-AS3741 changed: andre [at] is.co.za 20190704 source: RADB last-modified: 2023-11-13T16:00:36Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source