These entries are queried from radb.net using whois, you can try my project getting these.
:AS328258 route: 154.53.196.0/22 origin: AS328258 descr: Zen-Internet, SL mnt-by: MAINT-AS2905 changed: cnocisp.za [at] mtn.com 20191210 #01:04:25Z source: RADB last-modified: 2023-11-13T15:59:19Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 154.53.196.0/23 origin: AS328258 descr: Zen-Internet, SL mnt-by: MAINT-AS2905 changed: cnocisp.za [at] mtn.com 20191210 #01:03:37Z source: RADB last-modified: 2023-11-13T15:59:19Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 154.53.196.0/24 origin: AS328258 descr: Zen-Internet, SL mnt-by: MAINT-AS2905 changed: cnocisp.za [at] mtn.com 20191210 #01:08:04Z source: RADB last-modified: 2023-11-13T15:59:19Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 160.20.112.0/22 origin: AS328258 descr: Zen IPs mnt-by: ZEN-MNT changed: *** [at] myzeninternet.sl 20201001 source: AFRINIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 160.20.112.0/22 origin: AS328258 descr: Zen-Internet, SL mnt-by: MAINT-AS2905 changed: cnocisp.za [at] mtn.com 20191210 #00:55:30Z source: RADB last-modified: 2023-11-13T15:59:19Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 160.20.112.0/23 origin: AS328258 descr: Zen-Internet, SL mnt-by: MAINT-AS2905 changed: cnocisp.za [at] mtn.com 20191210 #00:56:23Z source: RADB last-modified: 2023-11-13T15:59:19Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 160.20.112.0/24 origin: AS328258 descr: Zen-Internet, SL mnt-by: MAINT-AS2905 changed: cnocisp.za [at] mtn.com 20191210 #00:57:15Z source: RADB last-modified: 2023-11-13T15:59:19Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 169.239.244.0/22 origin: AS328258 descr: Zen-Internet, SL mnt-by: MAINT-AS2905 changed: cnocisp.za [at] mtn.com 20191210 #00:58:44Z source: RADB last-modified: 2023-11-13T15:59:19Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 169.239.244.0/23 origin: AS328258 descr: Zen-Internet, SL mnt-by: MAINT-AS2905 changed: cnocisp.za [at] mtn.com 20191210 #00:59:46Z source: RADB last-modified: 2023-11-13T15:59:19Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 169.239.244.0/24 origin: AS328258 descr: Zen-Internet, SL mnt-by: MAINT-AS2905 changed: cnocisp.za [at] mtn.com 20191210 #01:00:47Z source: RADB last-modified: 2023-11-13T15:59:19Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source