AS749 6.64.168.0/21 CIDR and IP Range Summary.ASN: 749 - DoD Network Information CenterHost Count: 2046Addressable IPs: 20486.64.168.0/246.64.169.0/246.64.170.0/246.64.171.0/246.64.172.0/246.64.173.0/246.64.174.0/246.64.175.0/24