These entries are queried from radb.net using whois, you can try my project getting these.
:AS328518 route: 102.36.236.0/22 descr: Fontel-Pub-01 origin: AS328518 org: ORG-FL6-AFRINIC mnt-by: FL6-MNT changed: *** [at] fontel.co.za 20190902 source: AFRINIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source