These entries are queried from radb.net using whois, you can try my project getting these.
:AS328408 route: 102.134.140.0/22 descr: Route Object origin: AS328408 mnt-by: HTL2-MNT changed: *** [at] hamiltel.com 20190313 source: AFRINIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source