AS721 131.16.88.0/21 CIDR and IP Range Summary.ASN: 721 - DoD Network Information CenterHost Count: 2046Addressable IPs: 2048131.16.88.0/24131.16.89.0/24131.16.90.0/24131.16.91.0/24131.16.92.0/24131.16.93.0/24131.16.94.0/24131.16.95.0/24