These entries are queried from radb.net using whois, you can try my project getting these.
:AS327924 route: 169.239.48.0/22 descr: EXCELSIMO ROUTE origin: AS327924 mnt-by: EXCELSIMO-MNT changed: *** [at] exce1simo.com 20180110 changed: *** [at] afrinic.net 20230703 source: AFRINIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 169.239.48.0/24 descr: EXCELSIMO NETWORK LIMITED origin: AS327924 mnt-by: EXCELSIMO-MNT changed: *** [at] excelsimo.com 20211029 changed: *** [at] afrinic.net 20230703 source: AFRINIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 169.239.49.0/24 descr: EXCELSIMO NETWORKS LIMITED origin: AS327924 mnt-by: EXCELSIMO-MNT changed: *** [at] hooptelecoms.com 20211029 changed: *** [at] afrinic.net 20230703 source: AFRINIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 169.239.49.0/24 descr: MTN NIGERIA origin: AS327924 mnt-by: MAINT-AS2905 changed: noc [at] mtnbusiness.co.za 20160226 #08:31:04Z source: RADB last-modified: 2023-11-13T15:49:09Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 169.239.50.0/24 descr: EXCELSIMO NETWORKS LIMITED origin: AS327924 mnt-by: EXCELSIMO-MNT changed: *** [at] hooptelecoms.com 20211029 changed: *** [at] afrinic.net 20230703 source: AFRINIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 169.239.51.0/24 descr: EXCELSIMO NETWORKS LIMITED origin: AS327924 mnt-by: EXCELSIMO-MNT changed: *** [at] excelsimo.com 20211029 changed: *** [at] afrinic.net 20230703 source: AFRINIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source