AS7018 12.28.224.0/19 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 8190Addressable IPs: 819212.28.224.0/2412.28.225.0/2412.28.226.0/2412.28.227.0/2412.28.228.0/2412.28.229.0/2412.28.230.0/2412.28.231.0/2412.28.232.0/2412.28.233.0/2412.28.234.0/2412.28.235.0/2412.28.236.0/2412.28.237.0/2412.28.238.0/2412.28.239.0/2412.28.240.0/2412.28.241.0/2412.28.242.0/2412.28.243.0/2412.28.244.0/2412.28.245.0/2412.28.246.0/2412.28.247.0/2412.28.248.0/2412.28.249.0/2412.28.250.0/2412.28.251.0/2412.28.252.0/2412.28.253.0/2412.28.254.0/2412.28.255.0/24