These entries are queried from radb.net using whois, you can try my project getting these.
:AS328504 route: 102.68.71.0/24 descr: National Identification Authority origin: AS328504 notify: *** [at] nida.go.tz notify: *** [at] nida.go.tz notify: *** [at] nida.go.tz notify: *** [at] nida.go.tz mnt-by: NIA1-MNT changed: *** [at] nida.go.tz 20190627 source: AFRINIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source