AS665 138.163.16.0/21 CIDR and IP Range Summary.ASN: 665 - DoD Network Information CenterHost Count: 2046Addressable IPs: 2048138.163.16.0/24138.163.17.0/24138.163.18.0/24138.163.19.0/24138.163.20.0/24138.163.21.0/24138.163.22.0/24138.163.23.0/24