AS721 143.84.144.0/20 CIDR and IP Range Summary.ASN: 721 - DoD Network Information CenterHost Count: 4094Addressable IPs: 4096143.84.144.0/24143.84.145.0/24143.84.146.0/24143.84.147.0/24143.84.148.0/24143.84.149.0/24143.84.150.0/24143.84.151.0/24143.84.152.0/24143.84.153.0/24143.84.154.0/24143.84.155.0/24143.84.156.0/24143.84.157.0/24143.84.158.0/24143.84.159.0/24