AS7018 12.3.224.0/19 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 8190Addressable IPs: 819212.3.224.0/2412.3.225.0/2412.3.226.0/2412.3.227.0/2412.3.228.0/2412.3.229.0/2412.3.230.0/2412.3.231.0/2412.3.232.0/2412.3.233.0/2412.3.234.0/2412.3.235.0/2412.3.236.0/2412.3.237.0/2412.3.238.0/2412.3.239.0/2412.3.240.0/2412.3.241.0/2412.3.242.0/2412.3.243.0/2412.3.244.0/2412.3.245.0/2412.3.246.0/2412.3.247.0/2412.3.248.0/2412.3.249.0/2412.3.250.0/2412.3.251.0/2412.3.252.0/2412.3.253.0/2412.3.254.0/2412.3.255.0/24