AS721 164.236.200.0/21 CIDR and IP Range Summary.ASN: 721 - DoD Network Information CenterHost Count: 2046Addressable IPs: 2048164.236.200.0/24164.236.201.0/24164.236.202.0/24164.236.203.0/24164.236.204.0/24164.236.205.0/24164.236.206.0/24164.236.207.0/24