AS721 153.29.224.0/20 CIDR and IP Range Summary.ASN: 721 - DoD Network Information CenterHost Count: 4094Addressable IPs: 4096153.29.224.0/24153.29.225.0/24153.29.226.0/24153.29.227.0/24153.29.228.0/24153.29.229.0/24153.29.230.0/24153.29.231.0/24153.29.232.0/24153.29.233.0/24153.29.234.0/24153.29.235.0/24153.29.236.0/24153.29.237.0/24153.29.238.0/24153.29.239.0/24