AS721 143.249.176.0/20 CIDR and IP Range Summary.ASN: 721 - DoD Network Information CenterHost Count: 4094Addressable IPs: 4096143.249.176.0/24143.249.177.0/24143.249.178.0/24143.249.179.0/24143.249.180.0/24143.249.181.0/24143.249.182.0/24143.249.183.0/24143.249.184.0/24143.249.185.0/24143.249.186.0/24143.249.187.0/24143.249.188.0/24143.249.189.0/24143.249.190.0/24143.249.191.0/24