These entries are queried from radb.net using whois, you can try my project getting these.
:AS138153 route: 103.183.220.0/24 descr: Proxy route object registered by AS2764 origin: AS138153 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 20220425 source: RADB last-modified: 2023-11-13T16:16:46Z rpki-ov-state: valid route: 103.183.220.0/24 origin: AS138153 descr: Isoton Pty. Ltd. Level 1, 206 Greenhill Road, Eastwood 5063 South Australia mnt-by: MAINT-ISOTONPTYLTD-AU last-modified: 2022-05-24T00:53:30Z source: APNIC rpki-ov-state: valid