These entries are queried from radb.net using whois, you can try my project getting these.
:AS137388 route: 103.107.39.0/24 origin: AS137388 descr: Openet Pty Ltd Suite 1B, 21 Teddington Road mnt-by: MAINT-OPENETPTYLTD-AU last-modified: 2020-12-09T03:45:07Z source: APNIC rpki-ov-state: valid