AS721 55.128.0.0/11 CIDR and IP Range Summary.ASN: 721 - DoD Network Information CenterHost Count: 2097150Addressable IPs: 209715255.128.0.0/1655.129.0.0/1655.130.0.0/1655.131.0.0/1655.132.0.0/1655.133.0.0/1655.134.0.0/1655.135.0.0/1655.136.0.0/1655.137.0.0/1655.138.0.0/1655.139.0.0/1655.140.0.0/1655.141.0.0/1655.142.0.0/1655.143.0.0/1655.144.0.0/1655.145.0.0/1655.146.0.0/1655.147.0.0/1655.148.0.0/1655.149.0.0/1655.150.0.0/1655.151.0.0/1655.152.0.0/1655.153.0.0/1655.154.0.0/1655.155.0.0/1655.156.0.0/1655.157.0.0/1655.158.0.0/1655.159.0.0/16