AS637 204.223.128.0/20 CIDR and IP Range Summary.ASN: 637 - DoD Network Information CenterHost Count: 4094Addressable IPs: 4096204.223.128.0/24204.223.129.0/24204.223.130.0/24204.223.131.0/24204.223.132.0/24204.223.133.0/24204.223.134.0/24204.223.135.0/24204.223.136.0/24204.223.137.0/24204.223.138.0/24204.223.139.0/24204.223.140.0/24204.223.141.0/24204.223.142.0/24204.223.143.0/24