These entries are queried from radb.net using whois, you can try my project getting these.
:AS58434 route: 203.96.252.0/22 origin: AS58434 descr: Mobilizer Pty Ltd 203/20 Bayswater Road mnt-by: MAINT-MOBILIZER-AU last-modified: 2021-11-29T22:54:03Z source: APNIC rpki-ov-state: valid route: 203.147.92.0/22 origin: AS58434 descr: Mobilizer Pty Ltd 203/20 Bayswater Road mnt-by: MAINT-MOBILIZER-AU last-modified: 2021-11-29T22:53:30Z source: APNIC rpki-ov-state: valid route6: 2402:2f00::/32 origin: AS58434 descr: Mobilizer Pty Ltd 203/20 Bayswater Road mnt-by: MAINT-MOBILIZER-AU last-modified: 2021-11-29T22:55:36Z source: APNIC rpki-ov-state: valid