AS39 164.234.40.0/21 CIDR and IP Range Summary.ASN: 39 - DoD Network Information CenterHost Count: 2046Addressable IPs: 2048164.234.40.0/24164.234.41.0/24164.234.42.0/24164.234.43.0/24164.234.44.0/24164.234.45.0/24164.234.46.0/24164.234.47.0/24