These entries are queried from radb.net using whois, you can try my project getting these.
:AS147037 route: 103.173.57.0/24 origin: AS147037 descr: Tech Stream Solutions Pty Ltd Unit 13 / 14 Frenchs Forest road mnt-by: MAINT-TECH-AU last-modified: 2023-01-05T00:49:09Z source: APNIC rpki-ov-state: valid