These entries are queried from radb.net using whois, you can try my project getting these.
:AS328509 route: 102.64.60.0/22 descr: Route Object SpeedNet origin: AS328509 mnt-by: SNSL2-MNT changed: *** [at] speednet.co.ao 20191227 source: AFRINIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source