AS721 205.107.216.0/21 CIDR and IP Range Summary.ASN: 721 - DoD Network Information CenterHost Count: 2046Addressable IPs: 2048205.107.216.0/24205.107.217.0/24205.107.218.0/24205.107.219.0/24205.107.220.0/24205.107.221.0/24205.107.222.0/24205.107.223.0/24