These entries are queried from radb.net using whois, you can try my project getting these.
:AS137271 route: 103.209.4.0/23 origin: AS137271 descr: Dalegroup Pty Ltd 3/47-51 Lilyfield Road mnt-by: MAINT-DALEGROUPPTYLTD-AU last-modified: 2023-05-05T05:01:17Z source: APNIC rpki-ov-state: valid route6: 2406:bf00:1::/48 origin: AS137271 descr: Dalegroup Pty Ltd 3/47-51 Lilyfield Road mnt-by: MAINT-DALEGROUPPTYLTD-AU last-modified: 2023-05-07T03:28:34Z source: APNIC rpki-ov-state: valid