AS39 131.75.184.0/21 CIDR and IP Range Summary.ASN: 39 - DoD Network Information CenterHost Count: 2046Addressable IPs: 2048131.75.184.0/24131.75.185.0/24131.75.186.0/24131.75.187.0/24131.75.188.0/24131.75.189.0/24131.75.190.0/24131.75.191.0/24