AS39 144.146.40.0/21 CIDR and IP Range Summary.ASN: 39 - DoD Network Information CenterHost Count: 2046Addressable IPs: 2048144.146.40.0/24144.146.41.0/24144.146.42.0/24144.146.43.0/24144.146.44.0/24144.146.45.0/24144.146.46.0/24144.146.47.0/24