AS39 138.141.168.0/21 CIDR and IP Range Summary.ASN: 39 - DoD Network Information CenterHost Count: 2046Addressable IPs: 2048138.141.168.0/24138.141.169.0/24138.141.170.0/24138.141.171.0/24138.141.172.0/24138.141.173.0/24138.141.174.0/24138.141.175.0/24