These entries are queried from radb.net using whois, you can try my project getting these.
:AS139603 route: 36.50.38.0/23 origin: AS139603 descr: Southern Cross Broadband Pty Ltd PO BOX 2093 mnt-by: MAINT-SCBPL-AU last-modified: 2023-10-12T07:28:04Z source: APNIC rpki-ov-state: valid route: 103.142.74.0/23 descr: Proxy route object registered by AS38195 origin: AS139603 remarks: This route object was created by Superloop on behalf of a customer. notify: peering [at] superloop.com mnt-by: MAINT-AS38195 changed: peering [at] superloop.com 20230219 source: RADB last-modified: 2023-11-13T16:18:15Z rpki-ov-state: valid route: 103.142.74.0/23 origin: AS139603 descr: Xenex Systems PTY LTD Unit 4 / 3 King Edward Rd mnt-by: MAINT-XENEX-AU last-modified: 2020-07-24T01:13:41Z source: APNIC rpki-ov-state: valid route: 103.142.74.0/24 origin: AS139603 descr: Xenex Systems PTY LTD Unit 4 / 3 King Edward Rd mnt-by: MAINT-XENEX-AU last-modified: 2020-08-11T11:41:20Z source: APNIC rpki-ov-state: valid route: 103.142.75.0/24 origin: AS139603 descr: Xenex Systems PTY LTD Unit 4 / 3 King Edward Rd mnt-by: MAINT-XENEX-AU last-modified: 2020-08-11T11:41:32Z source: APNIC rpki-ov-state: valid route: 103.182.73.0/24 origin: AS139603 descr: AFGRI Equipment Australia PTY LTD 80 Great Eastern Hwy, South Guildford WA 6055 mnt-by: MAINT-AEAPL-AU last-modified: 2022-03-09T10:05:42Z source: APNIC rpki-ov-state: valid route: 103.182.73.0/24 descr: Proxy route object registered by AS38195 origin: AS139603 remarks: This route object was created by Superloop on behalf of a customer. notify: peering [at] superloop.com mnt-by: MAINT-AS38195 changed: peering [at] superloop.com 20230219 source: RADB last-modified: 2023-11-13T16:18:15Z rpki-ov-state: valid