AS7018 12.188.128.0/20 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 4094Addressable IPs: 409612.188.128.0/2412.188.129.0/2412.188.130.0/2412.188.131.0/2412.188.132.0/2412.188.133.0/2412.188.134.0/2412.188.135.0/2412.188.136.0/2412.188.137.0/2412.188.138.0/2412.188.139.0/2412.188.140.0/2412.188.141.0/2412.188.142.0/2412.188.143.0/24