AS749 140.18.216.0/21 CIDR and IP Range Summary.ASN: 749 - DoD Network Information CenterHost Count: 2046Addressable IPs: 2048140.18.216.0/24140.18.217.0/24140.18.218.0/24140.18.219.0/24140.18.220.0/24140.18.221.0/24140.18.222.0/24140.18.223.0/24