AS721 205.91.144.0/20 CIDR and IP Range Summary.ASN: 721 - DoD Network Information CenterHost Count: 4094Addressable IPs: 4096205.91.144.0/24205.91.145.0/24205.91.146.0/24205.91.147.0/24205.91.148.0/24205.91.149.0/24205.91.150.0/24205.91.151.0/24205.91.152.0/24205.91.153.0/24205.91.154.0/24205.91.155.0/24205.91.156.0/24205.91.157.0/24205.91.158.0/24205.91.159.0/24