AS721 205.86.152.0/21 CIDR and IP Range Summary.ASN: 721 - DoD Network Information CenterHost Count: 2046Addressable IPs: 2048205.86.152.0/24205.86.153.0/24205.86.154.0/24205.86.155.0/24205.86.156.0/24205.86.157.0/24205.86.158.0/24205.86.159.0/24