AS812 72.140.224.0/21 CIDR and IP Range Summary.ASN: 812 - Rogers Communications Canada Inc.Host Count: 2046Addressable IPs: 204872.140.224.0/2472.140.225.0/2472.140.226.0/2472.140.227.0/2472.140.228.0/2472.140.229.0/2472.140.230.0/2472.140.231.0/24