These entries are queried from radb.net using whois, you can try my project getting these.
:AS36928 route: 41.205.224.0/19 origin: AS36928 descr: SIERRATEL-AS, SL mnt-by: MAINT-AS2905 changed: cnocisp.za [at] mtn.com 20191210 #01:10:51Z 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: 41.205.224.0/20 origin: AS36928 descr: SIERRATEL-AS, SL mnt-by: MAINT-AS2905 changed: cnocisp.za [at] mtn.com 20191210 #01:14:53Z 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: 41.205.224.0/21 origin: AS36928 descr: SIERRATEL-AS, SL mnt-by: MAINT-AS2905 changed: cnocisp.za [at] mtn.com 20191210 #01:18:14Z 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: 41.205.224.0/22 origin: AS36928 descr: f5@doRe8fj mnt-by: MAINT-AS2905 changed: cnocisp.za [at] mtn.com 20191210 #01:19:30Z 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: 41.205.224.0/23 origin: AS36928 descr: SIERRATEL-AS, SL mnt-by: MAINT-AS2905 changed: cnocisp.za [at] mtn.com 20191210 #01:21:02Z 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: 41.205.224.0/24 origin: AS36928 descr: SIERRATEL-AS, SL mnt-by: MAINT-AS2905 changed: cnocisp.za [at] mtn.com 20191210 #01:22:18Z 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: 154.73.176.0/22 origin: AS36928 descr: SIERRATEL-AS, SL mnt-by: MAINT-AS2905 changed: cnocisp.za [at] mtn.com 20191210 #01:33:38Z 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: 154.73.176.0/23 origin: AS36928 descr: SIERRATEL-AS, SL mnt-by: MAINT-AS2905 changed: cnocisp.za [at] mtn.com 20191210 #01:34:44Z 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: 154.73.176.0/24 origin: AS36928 descr: SIERRATEL-AS, SL mnt-by: MAINT-AS2905 changed: cnocisp.za [at] mtn.com 20191210 #01:35:51Z 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: AS36928 descr: SIERRATEL-AS, SL mnt-by: MAINT-AS2905 changed: cnocisp.za [at] mtn.com 20191210 #01:38:57Z 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: AS36928 descr: SIERRATEL-AS, SL mnt-by: MAINT-AS2905 changed: cnocisp.za [at] mtn.com 20191210 #01:39:52Z 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: AS36928 descr: SIERRATEL-AS, SL mnt-by: MAINT-AS2905 changed: cnocisp.za [at] mtn.com 20191210 #01:40:42Z 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: 197.157.224.0/22 origin: AS36928 descr: SIERRATEL-AS, SL mnt-by: MAINT-AS2905 changed: cnocisp.za [at] mtn.com 20191210 #01:25:25Z 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: 197.157.224.0/23 origin: AS36928 descr: SIERRATEL-AS, SL mnt-by: MAINT-AS2905 changed: cnocisp.za [at] mtn.com 20191210 #01:26:27Z 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: 197.157.224.0/24 origin: AS36928 descr: SIERRATEL-AS, SL mnt-by: MAINT-AS2905 changed: cnocisp.za [at] mtn.com 20191210 #01:27:31Z source: RADB last-modified: 2023-11-13T15:59:19Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source