AS721 146.16.88.0/21 CIDR and IP Range Summary.ASN: 721 - DoD Network Information CenterHost Count: 2046Addressable IPs: 2048146.16.88.0/24146.16.89.0/24146.16.90.0/24146.16.91.0/24146.16.92.0/24146.16.93.0/24146.16.94.0/24146.16.95.0/24