These entries are queried from radb.net using whois, you can try my project getting these.
:AS37206 route: 196.216.176.0/22 descr: Route Object origin: AS37206 org: ORG-BoU1-AFRINIC mnt-by: CBOU-MNT changed: *** [at] bou.or.ug 20171128 source: AFRINIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 196.216.176.0/24 descr: Route Object origin: AS37206 org: ORG-BoU1-AFRINIC mnt-by: CBOU-MNT changed: *** [at] bou.or.ug 20171128 source: AFRINIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 196.216.177.0/24 descr: Route Object origin: AS37206 org: ORG-BoU1-AFRINIC mnt-by: CBOU-MNT changed: *** [at] bou.or.ug 20171128 source: AFRINIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 196.216.178.0/24 origin: AS37206 descr: Central Bank of Uganda mnt-by: MAINT-AS2905 changed: cnocisp.za [at] mtn.com 20230310 #11:04:20Z source: RADB last-modified: 2023-11-13T16:15:23Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 196.216.179.0/24 origin: AS37206 descr: Central Bank of Uganda mnt-by: MAINT-AS2905 changed: cnocisp.za [at] mtn.com 20230310 #11:06:48Z source: RADB last-modified: 2023-11-13T16:15:23Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source