AS721 205.105.208.0/21 CIDR and IP Range Summary.ASN: 721 - DoD Network Information CenterHost Count: 2046Addressable IPs: 2048205.105.208.0/24205.105.209.0/24205.105.210.0/24205.105.211.0/24205.105.212.0/24205.105.213.0/24205.105.214.0/24205.105.215.0/24