AS721 143.157.64.0/20 CIDR and IP Range Summary.ASN: 721 - DoD Network Information CenterHost Count: 4094Addressable IPs: 4096143.157.64.0/24143.157.65.0/24143.157.66.0/24143.157.67.0/24143.157.68.0/24143.157.69.0/24143.157.70.0/24143.157.71.0/24143.157.72.0/24143.157.73.0/24143.157.74.0/24143.157.75.0/24143.157.76.0/24143.157.77.0/24143.157.78.0/24143.157.79.0/24