AS668 131.92.136.0/21 CIDR and IP Range Summary.ASN: 668 - DoD Network Information CenterHost Count: 2046Addressable IPs: 2048131.92.136.0/24131.92.137.0/24131.92.138.0/24131.92.139.0/24131.92.140.0/24131.92.141.0/24131.92.142.0/24131.92.143.0/24