AS39 131.81.80.0/21 CIDR and IP Range Summary.ASN: 39 - DoD Network Information CenterHost Count: 2046Addressable IPs: 2048131.81.80.0/24131.81.81.0/24131.81.82.0/24131.81.83.0/24131.81.84.0/24131.81.85.0/24131.81.86.0/24131.81.87.0/24