AS721 207.132.40.0/21 CIDR and IP Range Summary.ASN: 721 - DoD Network Information CenterHost Count: 2046Addressable IPs: 2048207.132.40.0/24207.132.41.0/24207.132.42.0/24207.132.43.0/24207.132.44.0/24207.132.45.0/24207.132.46.0/24207.132.47.0/24