AS7018 12.204.224.0/19 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 8190Addressable IPs: 819212.204.224.0/2412.204.225.0/2412.204.226.0/2412.204.227.0/2412.204.228.0/2412.204.229.0/2412.204.230.0/2412.204.231.0/2412.204.232.0/2412.204.233.0/2412.204.234.0/2412.204.235.0/2412.204.236.0/2412.204.237.0/2412.204.238.0/2412.204.239.0/2412.204.240.0/2412.204.241.0/2412.204.242.0/2412.204.243.0/2412.204.244.0/2412.204.245.0/2412.204.246.0/2412.204.247.0/2412.204.248.0/2412.204.249.0/2412.204.250.0/2412.204.251.0/2412.204.252.0/2412.204.253.0/2412.204.254.0/2412.204.255.0/24