AS721 205.58.112.0/21 CIDR and IP Range Summary.ASN: 721 - DoD Network Information CenterHost Count: 2046Addressable IPs: 2048205.58.112.0/24205.58.113.0/24205.58.114.0/24205.58.115.0/24205.58.116.0/24205.58.117.0/24205.58.118.0/24205.58.119.0/24