These entries are queried from radb.net using whois, you can try my project getting these.
:AS328215 route: 160.226.184.0/22 descr: unicom-sa.link origin: AS328215 mnt-by: UCS1-MNT changed: *** [at] unicom-sa.com 20170828 source: AFRINIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 160.226.184.0/24 descr: unicom-sa.link1 origin: AS328215 mnt-by: UCS1-MNT changed: *** [at] unicom-sa.com 20170831 source: AFRINIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source