AS1904 198.154.64.0/21 CIDR and IP Range Summary.ASN: 1904 - DoD Network Information CenterHost Count: 2046Addressable IPs: 2048198.154.64.0/24198.154.65.0/24198.154.66.0/24198.154.67.0/24198.154.68.0/24198.154.69.0/24198.154.70.0/24198.154.71.0/24