AS721 214.57.88.0/21 CIDR and IP Range Summary.ASN: 721 - DoD Network Information CenterHost Count: 2046Addressable IPs: 2048214.57.88.0/24214.57.89.0/24214.57.90.0/24214.57.91.0/24214.57.92.0/24214.57.93.0/24214.57.94.0/24214.57.95.0/24