AS721 144.247.192.0/20 CIDR and IP Range Summary.ASN: 721 - DoD Network Information CenterHost Count: 4094Addressable IPs: 4096144.247.192.0/24144.247.193.0/24144.247.194.0/24144.247.195.0/24144.247.196.0/24144.247.197.0/24144.247.198.0/24144.247.199.0/24144.247.200.0/24144.247.201.0/24144.247.202.0/24144.247.203.0/24144.247.204.0/24144.247.205.0/24144.247.206.0/24144.247.207.0/24