AS721 205.101.0.0/21 CIDR and IP Range Summary.ASN: 721 - DoD Network Information CenterHost Count: 2046Addressable IPs: 2048205.101.0.0/24205.101.1.0/24205.101.2.0/24205.101.3.0/24205.101.4.0/24205.101.5.0/24205.101.6.0/24205.101.7.0/24