AS7018 12.181.224.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 204812.181.224.0/2412.181.225.0/2412.181.226.0/2412.181.227.0/2412.181.228.0/2412.181.229.0/2412.181.230.0/2412.181.231.0/24