AS721 163.249.88.0/21 CIDR and IP Range Summary.ASN: 721 - DoD Network Information CenterHost Count: 2046Addressable IPs: 2048163.249.88.0/24163.249.89.0/24163.249.90.0/24163.249.91.0/24163.249.92.0/24163.249.93.0/24163.249.94.0/24163.249.95.0/24