AS721 143.73.176.0/20 CIDR and IP Range Summary.ASN: 721 - DoD Network Information CenterHost Count: 4094Addressable IPs: 4096143.73.176.0/24143.73.177.0/24143.73.178.0/24143.73.179.0/24143.73.180.0/24143.73.181.0/24143.73.182.0/24143.73.183.0/24143.73.184.0/24143.73.185.0/24143.73.186.0/24143.73.187.0/24143.73.188.0/24143.73.189.0/24143.73.190.0/24143.73.191.0/24