AS721 205.105.200.0/21 CIDR and IP Range Summary.ASN: 721 - DoD Network Information CenterHost Count: 2046Addressable IPs: 2048205.105.200.0/24205.105.201.0/24205.105.202.0/24205.105.203.0/24205.105.204.0/24205.105.205.0/24205.105.206.0/24205.105.207.0/24