These entries are queried from radb.net using whois, you can try my project getting these.
:AS327940 route: 169.255.224.0/22 descr: MTN Nigeria origin: AS327940 notify: as2905-notify [at] mtnbusiness.net mnt-by: MAINT-AS2905 changed: pk.marakalla [at] mtn.co.za 20151028 #20:19:02Z source: RADB last-modified: 2023-11-13T15:49:09Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source