These entries are queried from radb.net using whois, you can try my project getting these.
:AS142283 route: 103.167.81.0/24 origin: AS142283 descr: AUSTRALIAN LAMB (COLAC) PTY LTD 1 Tristania Drive mnt-by: MAINT-AUSTRALIAN4-AU last-modified: 2021-06-11T04:57:57Z source: APNIC rpki-ov-state: valid