AS721 214.43.72.0/21 CIDR and IP Range Summary.ASN: 721 - DoD Network Information CenterHost Count: 2046Addressable IPs: 2048214.43.72.0/24214.43.73.0/24214.43.74.0/24214.43.75.0/24214.43.76.0/24214.43.77.0/24214.43.78.0/24214.43.79.0/24