AS721 214.77.224.0/21 CIDR and IP Range Summary.ASN: 721 - DoD Network Information CenterHost Count: 2046Addressable IPs: 2048214.77.224.0/24214.77.225.0/24214.77.226.0/24214.77.227.0/24214.77.228.0/24214.77.229.0/24214.77.230.0/24214.77.231.0/24