AS721 214.29.144.0/21 CIDR and IP Range Summary.ASN: 721 - DoD Network Information CenterHost Count: 2046Addressable IPs: 2048214.29.144.0/24214.29.145.0/24214.29.146.0/24214.29.147.0/24214.29.148.0/24214.29.149.0/24214.29.150.0/24214.29.151.0/24