AS721 207.132.128.0/21 CIDR and IP Range Summary.ASN: 721 - DoD Network Information CenterHost Count: 2046Addressable IPs: 2048207.132.128.0/24207.132.129.0/24207.132.130.0/24207.132.131.0/24207.132.132.0/24207.132.133.0/24207.132.134.0/24207.132.135.0/24