These entries are queried from radb.net using whois, you can try my project getting these.
:AS328133 route: 196.251.152.0/23 descr: Route object ABC origin: AS328133 mnt-by: ACS3-MNT changed: *** [at] abcnexus.com 20200107 source: AFRINIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 196.251.154.0/24 origin: AS328133 descr: ABC Corporation Benin mnt-by: MAINT-AS2905 changed: cnocisp.za [at] mtn.com 20190626 #16:04:32Z source: RADB last-modified: 2023-11-13T15:56:40Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 196.251.155.0/24 origin: AS328133 descr: ABC-Corporation-v4 mnt-by: ACS3-MNT changed: *** [at] abcnexus.com 20220929 source: AFRINIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2c0f:f018::/32 origin: AS328133 descr: ABC Corporation route6 object mnt-by: ACS3-MNT changed: *** [at] abcnexus.com 20210223 changed: *** [at] abcnexus.com 20220404 source: AFRINIC rpki-ov-state: valid