AS12021 216.185.64.0/21 CIDR and IP Range Summary.ASN: 12021 - Rogers Communications Canada Inc.Host Count: 2046Addressable IPs: 2048216.185.64.0/24216.185.65.0/24216.185.66.0/24216.185.67.0/24216.185.68.0/24216.185.69.0/24216.185.70.0/24216.185.71.0/24