AS7018 12.18.224.0/20 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 4094Addressable IPs: 409612.18.224.0/2412.18.225.0/2412.18.226.0/2412.18.227.0/2412.18.228.0/2412.18.229.0/2412.18.230.0/2412.18.231.0/2412.18.232.0/2412.18.233.0/2412.18.234.0/2412.18.235.0/2412.18.236.0/2412.18.237.0/2412.18.238.0/2412.18.239.0/24