AS721 143.141.144.0/20 CIDR and IP Range Summary.ASN: 721 - DoD Network Information CenterHost Count: 4094Addressable IPs: 4096143.141.144.0/24143.141.145.0/24143.141.146.0/24143.141.147.0/24143.141.148.0/24143.141.149.0/24143.141.150.0/24143.141.151.0/24143.141.152.0/24143.141.153.0/24143.141.154.0/24143.141.155.0/24143.141.156.0/24143.141.157.0/24143.141.158.0/24143.141.159.0/24