AS7018 12.178.128.0/20 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 4094Addressable IPs: 409612.178.128.0/2412.178.129.0/2412.178.130.0/2412.178.131.0/2412.178.132.0/2412.178.133.0/2412.178.134.0/2412.178.135.0/2412.178.136.0/2412.178.137.0/2412.178.138.0/2412.178.139.0/2412.178.140.0/2412.178.141.0/2412.178.142.0/2412.178.143.0/24