These entries are queried from radb.net using whois, you can try my project getting these.
:AS328323 route: 102.141.120.0/21 descr: Brilliant_Telecommunications origin: AS328323 org: ORG-BTL5-AFRINIC mnt-by: BTL5-MNT changed: *** [at] brilliantel.co.za 20180619 source: AFRINIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source