These entries are queried from radb.net using whois, you can try my project getting these.
:AS140702 route: 202.87.4.0/22 descr: AMTAC-AS-AP origin: AS140702 notify: noc [at] overthewire.com.au mnt-by: MAINT-OTWN1 changed: noc [at] overthewire.com.au 20200624 source: NTTCOM rpki-ov-state: valid route: 202.87.4.0/22 origin: AS140702 descr: Amtac Professional Services Pty Ltd 1 Carrican Court mnt-by: MAINT-AU-AMTAC last-modified: 2020-07-10T09:00:15Z source: APNIC rpki-ov-state: valid route: 202.87.4.0/23 origin: AS140702 descr: Amtac Professional Services Pty Ltd 1 Carrican Court mnt-by: MAINT-AU-AMTAC last-modified: 2020-07-10T09:00:16Z source: APNIC rpki-ov-state: valid route: 202.87.4.0/23 descr: AMTAC-AS-AP origin: AS140702 notify: noc [at] overthewire.com.au mnt-by: MAINT-OTWN1 changed: noc [at] overthewire.com.au 20200624 source: NTTCOM rpki-ov-state: valid route: 202.87.4.0/24 descr: AMTAC-AS-AP origin: AS140702 notify: noc [at] overthewire.com.au mnt-by: MAINT-OTWN1 changed: noc [at] overthewire.com.au 20200624 source: NTTCOM rpki-ov-state: valid route: 202.87.4.0/24 origin: AS140702 descr: Amtac Professional Services Pty Ltd 1 Carrican Court mnt-by: MAINT-AU-AMTAC last-modified: 2020-07-10T09:00:16Z source: APNIC rpki-ov-state: valid route: 202.87.5.0/24 descr: AMTAC-AS-AP origin: AS140702 notify: noc [at] overthewire.com.au mnt-by: MAINT-OTWN1 changed: noc [at] overthewire.com.au 20200624 source: NTTCOM rpki-ov-state: valid route: 202.87.5.0/24 origin: AS140702 descr: Amtac Professional Services Pty Ltd 1 Carrican Court mnt-by: MAINT-AU-AMTAC last-modified: 2020-07-10T09:00:17Z source: APNIC rpki-ov-state: valid route: 202.87.6.0/23 descr: AMTAC-AS-AP origin: AS140702 notify: noc [at] overthewire.com.au mnt-by: MAINT-OTWN1 changed: noc [at] overthewire.com.au 20200624 source: NTTCOM rpki-ov-state: valid route: 202.87.6.0/23 origin: AS140702 descr: Amtac Professional Services Pty Ltd 1 Carrican Court mnt-by: MAINT-AU-AMTAC last-modified: 2020-07-10T09:00:17Z source: APNIC rpki-ov-state: valid route: 202.87.6.0/24 origin: AS140702 descr: Amtac Professional Services Pty Ltd 1 Carrican Court mnt-by: MAINT-AU-AMTAC last-modified: 2020-07-10T09:00:18Z source: APNIC rpki-ov-state: valid route: 202.87.6.0/24 descr: AMTAC-AS-AP origin: AS140702 notify: noc [at] overthewire.com.au mnt-by: MAINT-OTWN1 changed: noc [at] overthewire.com.au 20200624 source: NTTCOM rpki-ov-state: valid route: 202.87.7.0/24 descr: AMTAC-AS-AP origin: AS140702 notify: noc [at] overthewire.com.au mnt-by: MAINT-OTWN1 changed: noc [at] overthewire.com.au 20200624 source: NTTCOM rpki-ov-state: valid route: 202.87.7.0/24 origin: AS140702 descr: Amtac Professional Services Pty Ltd 1 Carrican Court mnt-by: MAINT-AU-AMTAC last-modified: 2020-06-19T05:59:47Z source: APNIC rpki-ov-state: valid route: 203.57.38.0/24 origin: AS140702 descr: Amtac Professional Services Pty Ltd 1 Carrican Court mnt-by: MAINT-AU-AMTAC last-modified: 2020-07-10T11:24:09Z source: APNIC rpki-ov-state: valid