AS721 207.132.64.0/21 CIDR and IP Range Summary.ASN: 721 - DoD Network Information CenterHost Count: 2046Addressable IPs: 2048207.132.64.0/24207.132.65.0/24207.132.66.0/24207.132.67.0/24207.132.68.0/24207.132.69.0/24207.132.70.0/24207.132.71.0/24