AS721 143.73.224.0/20 CIDR and IP Range Summary.ASN: 721 - DoD Network Information CenterHost Count: 4094Addressable IPs: 4096143.73.224.0/24143.73.225.0/24143.73.226.0/24143.73.227.0/24143.73.228.0/24143.73.229.0/24143.73.230.0/24143.73.231.0/24143.73.232.0/24143.73.233.0/24143.73.234.0/24143.73.235.0/24143.73.236.0/24143.73.237.0/24143.73.238.0/24143.73.239.0/24