These entries are queried from radb.net using whois, you can try my project getting these.
:AS328141 route: 160.119.204.0/22 descr: Ostec-AS origin: AS328141 notify: as16637-notify [at] mtnbusiness.co.za mnt-by: MAINT-AS2905 changed: carlos.pinto [at] mtn.com 20170623 #07:11:41Z source: RADB last-modified: 2023-11-13T15:51:15Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 160.119.204.0/24 descr: Ostec-AS origin: AS328141 notify: as16637-notify [at] mtnbusiness.co.za mnt-by: MAINT-AS2905 changed: carlos.pinto [at] mtn.com 20170623 #07:13:16Z source: RADB last-modified: 2023-11-13T15:51:15Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 160.119.205.0/24 descr: Ostec-AS origin: AS328141 notify: as16637-notify [at] mtnbusiness.co.za mnt-by: MAINT-AS2905 changed: carlos.pinto [at] mtn.com 20170623 #07:14:02Z source: RADB last-modified: 2023-11-13T15:51:15Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 160.119.206.0/24 descr: Ostec-AS origin: AS328141 notify: as16637-notify [at] mtnbusiness.co.za mnt-by: MAINT-AS2905 changed: carlos.pinto [at] mtn.com 20170623 #07:14:49Z source: RADB last-modified: 2023-11-13T15:51:15Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 160.119.207.0/24 descr: Ostec-AS origin: AS328141 notify: as16637-notify [at] mtnbusiness.co.za mnt-by: MAINT-AS2905 changed: carlos.pinto [at] mtn.com 20170623 #07:15:22Z source: RADB last-modified: 2023-11-13T15:51:15Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source