AS721 214.38.136.0/21 CIDR and IP Range Summary.ASN: 721 - DoD Network Information CenterHost Count: 2046Addressable IPs: 2048214.38.136.0/24214.38.137.0/24214.38.138.0/24214.38.139.0/24214.38.140.0/24214.38.141.0/24214.38.142.0/24214.38.143.0/24