AS5972 139.39.0.0/21 CIDR and IP Range Summary.ASN: 5972 - DoD Network Information CenterHost Count: 2046Addressable IPs: 2048139.39.0.0/24139.39.1.0/24139.39.2.0/24139.39.3.0/24139.39.4.0/24139.39.5.0/24139.39.6.0/24139.39.7.0/24