AS721 205.57.64.0/20 CIDR and IP Range Summary.ASN: 721 - DoD Network Information CenterHost Count: 4094Addressable IPs: 4096205.57.64.0/24205.57.65.0/24205.57.66.0/24205.57.67.0/24205.57.68.0/24205.57.69.0/24205.57.70.0/24205.57.71.0/24205.57.72.0/24205.57.73.0/24205.57.74.0/24205.57.75.0/24205.57.76.0/24205.57.77.0/24205.57.78.0/24205.57.79.0/24