These entries are queried from radb.net using whois, you can try my project getting these.
:AS328476 route: 102.69.148.0/24 descr: Route Object origin: AS328476 mnt-by: LSL2-MNT changed: *** [at] afrinic.net 20190806 source: AFRINIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source