These entries are queried from radb.net using whois, you can try my project getting these.
:AS328212 route: 156.38.96.0/19 descr: UNIVERSITY OF CAPE COAST origin: AS328212 mnt-by: TUOC1-MNT changed: *** [at] ucc.edu.gh 20171122 source: AFRINIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 156.38.96.0/19 origin: AS328212 descr: WACREN mnt-by: MAINT-AS37613 changed: daniel [at] dolphintelecom.net 20230301 #14:43:22Z source: RADB last-modified: 2023-11-13T16:15:21Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 156.38.96.0/20 descr: UNIVERSITY OF CAPE COAST origin: AS328212 mnt-by: TUOC1-MNT changed: *** [at] ucc.edu.gh 20190123 source: AFRINIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 156.38.96.0/21 descr: UNIVERSITY OF CAPE COAST origin: AS328212 mnt-by: TUOC1-MNT changed: *** [at] ucc.edu.gh 20190123 source: AFRINIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 156.38.98.0/23 descr: UNIVERSITY OF CAPE COAST origin: AS328212 mnt-by: TUOC1-MNT changed: *** [at] ucc.edu.gh 20190123 source: AFRINIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 156.38.112.0/20 descr: UNIVERSITY OF CAPE COAST origin: AS328212 mnt-by: TUOC1-MNT changed: *** [at] ucc.edu.gh 20190123 source: AFRINIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2001:43f8:dd0::/48 descr: THE UNIVERSITY OF CAPE COAST V6 origin: AS328212 mnt-by: TUOC1-MNT changed: *** [at] ucc.edu.gh 20190703 source: AFRINIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source