AS7018 12.160.136.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 204812.160.136.0/2412.160.137.0/2412.160.138.0/2412.160.139.0/2412.160.140.0/2412.160.141.0/2412.160.142.0/2412.160.143.0/24