AS1590 147.248.0.0/21 CIDR and IP Range Summary.ASN: 1590 - DoD Network Information CenterHost Count: 2046Addressable IPs: 2048147.248.0.0/24147.248.1.0/24147.248.2.0/24147.248.3.0/24147.248.4.0/24147.248.5.0/24147.248.6.0/24147.248.7.0/24