AS721 215.68.208.0/20 CIDR and IP Range Summary.ASN: 721 - DoD Network Information CenterHost Count: 4094Addressable IPs: 4096215.68.208.0/24215.68.209.0/24215.68.210.0/24215.68.211.0/24215.68.212.0/24215.68.213.0/24215.68.214.0/24215.68.215.0/24215.68.216.0/24215.68.217.0/24215.68.218.0/24215.68.219.0/24215.68.220.0/24215.68.221.0/24215.68.222.0/24215.68.223.0/24