AS721 205.78.240.0/21 CIDR and IP Range Summary.ASN: 721 - DoD Network Information CenterHost Count: 2046Addressable IPs: 2048205.78.240.0/24205.78.241.0/24205.78.242.0/24205.78.243.0/24205.78.244.0/24205.78.245.0/24205.78.246.0/24205.78.247.0/24