AS721 214.23.224.0/21 CIDR and IP Range Summary.ASN: 721 - DoD Network Information CenterHost Count: 2046Addressable IPs: 2048214.23.224.0/24214.23.225.0/24214.23.226.0/24214.23.227.0/24214.23.228.0/24214.23.229.0/24214.23.230.0/24214.23.231.0/24