AS23769 203.15.72.0/21 CIDR and IP Range Summary.ASN: 23769 - The Office of State Revenue is Part of the NSW Treasury.Host Count: 2046Addressable IPs: 2048203.15.72.0/24203.15.73.0/24203.15.74.0/24203.15.75.0/24203.15.76.0/24203.15.77.0/24203.15.78.0/24203.15.79.0/24