AS721 199.208.120.0/21 CIDR and IP Range Summary.ASN: 721 - DoD Network Information CenterHost Count: 2046Addressable IPs: 2048199.208.120.0/24199.208.121.0/24199.208.122.0/24199.208.123.0/24199.208.124.0/24199.208.125.0/24199.208.126.0/24199.208.127.0/24