These entries are queried from radb.net using whois, you can try my project getting these.
:AS328647 route: 102.223.92.0/23 origin: AS328647 descr: Koforidua-Technical-University, GH mnt-by: MAINT-AS2905 changed: cnocisp.za [at] mtn.com 20200622 #20:10:10Z source: RADB last-modified: 2023-11-13T16:01:01Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 102.223.92.0/23 origin: AS328647 descr: Koforidua Technical University mnt-by: KTU1-MNT changed: *** [at] ktu.edu.gh 20200707 source: AFRINIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 102.223.92.0/24 origin: AS328647 descr: Koforidua-Technical-University, GH mnt-by: MAINT-AS2905 changed: cnocisp.za [at] mtn.com 20200704 #14:22:19Z source: RADB last-modified: 2023-11-13T16:01:11Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source