AS721 143.69.208.0/21 CIDR and IP Range Summary.ASN: 721 - DoD Network Information CenterHost Count: 2046Addressable IPs: 2048143.69.208.0/24143.69.209.0/24143.69.210.0/24143.69.211.0/24143.69.212.0/24143.69.213.0/24143.69.214.0/24143.69.215.0/24