AS7018 12.188.224.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 204812.188.224.0/2412.188.225.0/2412.188.226.0/2412.188.227.0/2412.188.228.0/2412.188.229.0/2412.188.230.0/2412.188.231.0/24