These entries are queried from radb.net using whois, you can try my project getting these.
:AS328610 route: 196.192.116.0/22 descr: DELTANET FIBER origin: AS328610 mnt-by: DF1-MNT changed: *** [at] deltanetfiber.com 20200203 source: AFRINIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 196.192.116.0/24 descr: DELTANET FIBER origin: AS328610 mnt-by: DF1-MNT changed: *** [at] deltanetfiber.com 20220718 source: AFRINIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 196.192.117.0/24 descr: DELTANET FIBER origin: AS328610 mnt-by: DF1-MNT changed: *** [at] deltanetfiber.com 20220718 source: AFRINIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 196.192.118.0/24 descr: DELTANET FIBER origin: AS328610 mnt-by: DF1-MNT changed: *** [at] deltanetfiber.com 20220718 source: AFRINIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 196.192.119.0/24 descr: DELTANET FIBER origin: AS328610 mnt-by: DF1-MNT changed: *** [at] deltanetfiber.com 20220718 source: AFRINIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source