AS39 164.235.64.0/21 CIDR and IP Range Summary.ASN: 39 - DoD Network Information CenterHost Count: 2046Addressable IPs: 2048164.235.64.0/24164.235.65.0/24164.235.66.0/24164.235.67.0/24164.235.68.0/24164.235.69.0/24164.235.70.0/24164.235.71.0/24