AS749 131.15.168.0/21 CIDR and IP Range Summary.ASN: 749 - DoD Network Information CenterHost Count: 2046Addressable IPs: 2048131.15.168.0/24131.15.169.0/24131.15.170.0/24131.15.171.0/24131.15.172.0/24131.15.173.0/24131.15.174.0/24131.15.175.0/24