These entries are queried from radb.net using whois, you can try my project getting these.
:AS36932 route: 196.216.148.0/24 origin: AS36932 descr: IXPN-IP mnt-by: NIX-MNT changed: *** [at] ixp.net.ng 20230623 source: AFRINIC rpki-ov-state: valid route: 196.216.151.0/24 origin: AS36932 descr: IXPN-IP mnt-by: NIX-MNT changed: *** [at] ixp.net.ng 20230623 source: AFRINIC rpki-ov-state: valid