AS7018 12.131.224.0/19 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 8190Addressable IPs: 819212.131.224.0/2412.131.225.0/2412.131.226.0/2412.131.227.0/2412.131.228.0/2412.131.229.0/2412.131.230.0/2412.131.231.0/2412.131.232.0/2412.131.233.0/2412.131.234.0/2412.131.235.0/2412.131.236.0/2412.131.237.0/2412.131.238.0/2412.131.239.0/2412.131.240.0/2412.131.241.0/2412.131.242.0/2412.131.243.0/2412.131.244.0/2412.131.245.0/2412.131.246.0/2412.131.247.0/2412.131.248.0/2412.131.249.0/2412.131.250.0/2412.131.251.0/2412.131.252.0/2412.131.253.0/2412.131.254.0/2412.131.255.0/24