AS721 214.51.176.0/20 CIDR and IP Range Summary.ASN: 721 - DoD Network Information CenterHost Count: 4094Addressable IPs: 4096214.51.176.0/24214.51.177.0/24214.51.178.0/24214.51.179.0/24214.51.180.0/24214.51.181.0/24214.51.182.0/24214.51.183.0/24214.51.184.0/24214.51.185.0/24214.51.186.0/24214.51.187.0/24214.51.188.0/24214.51.189.0/24214.51.190.0/24214.51.191.0/24