AS721 205.80.144.0/21 CIDR and IP Range Summary.ASN: 721 - DoD Network Information CenterHost Count: 2046Addressable IPs: 2048205.80.144.0/24205.80.145.0/24205.80.146.0/24205.80.147.0/24205.80.148.0/24205.80.149.0/24205.80.150.0/24205.80.151.0/24