These entries are queried from radb.net using whois, you can try my project getting these.
:AS136471 route: 103.89.73.0/24 descr: Proxy route object registered by AS2764 origin: AS136471 remarks: This route object was created by AAPT on behalf of a customer. remarks: As some of AAPTs upstream networks filter based on IRR objects, remarks: this route object has been created to ensure that the advertisement remarks: of this prefix is not rejected. notify: routing.shared [at] aapt.com.au mnt-by: MAINT-AS2764 changed: nobody [at] aapt.com.au 20200312 source: RADB last-modified: 2023-11-13T16:16:45Z rpki-ov-state: valid route: 103.89.73.0/24 origin: AS136471 descr: Optiver Pty Ltd 39 Hunter Street mnt-by: MAINT-OPTIVERPTYLTD-AU last-modified: 2022-05-31T06:56:01Z source: APNIC rpki-ov-state: valid route: 103.179.116.0/24 origin: AS136471 descr: Optiver Pty Ltd 39 Hunter Street mnt-by: MAINT-OPTIVERPTYLTD-AU last-modified: 2022-05-31T06:56:09Z source: APNIC rpki-ov-state: valid