AS721 205.61.80.0/21 CIDR and IP Range Summary.ASN: 721 - DoD Network Information CenterHost Count: 2046Addressable IPs: 2048205.61.80.0/24205.61.81.0/24205.61.82.0/24205.61.83.0/24205.61.84.0/24205.61.85.0/24205.61.86.0/24205.61.87.0/24