These entries are queried from radb.net using whois, you can try my project getting these.
:AS328298 route: 102.164.56.0/23 descr: Duara Systems Ltd origin: AS328298 mnt-by: DSL5-MNT changed: *** [at] duara.io 20181114 source: AFRINIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 102.164.58.0/23 descr: Duara Systems Ltd origin: AS328298 mnt-by: DSL5-MNT changed: *** [at] duara.io 20181114 source: AFRINIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2c0f:efd8::/32 descr: Duara Systems Route6 origin: AS328298 mnt-by: DSL5-MNT changed: *** [at] duara.io 20180922 source: AFRINIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source