These entries are queried from radb.net using whois, you can try my project getting these.
:AS328213 route: 156.0.234.0/23 descr: IT Consortium Limited origin: AS328213 mnt-by: ICL1-MNT changed: *** [at] itconsortiumgh.com 20170818 source: AFRINIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2001:43f8:de0::/48 descr: IT Consortium Limited v6 origin: AS328213 mnt-routes: ICL1-MNT mnt-by: ICL1-MNT changed: *** [at] itconsortiumgh.com 20170818 source: AFRINIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source