AS812 72.143.224.0/20 CIDR and IP Range Summary.ASN: 812 - Rogers Communications Canada Inc.Host Count: 4094Addressable IPs: 409672.143.224.0/2472.143.225.0/2472.143.226.0/2472.143.227.0/2472.143.228.0/2472.143.229.0/2472.143.230.0/2472.143.231.0/2472.143.232.0/2472.143.233.0/2472.143.234.0/2472.143.235.0/2472.143.236.0/2472.143.237.0/2472.143.238.0/2472.143.239.0/24