AS7018 12.234.128.0/20 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 4094Addressable IPs: 409612.234.128.0/2412.234.129.0/2412.234.130.0/2412.234.131.0/2412.234.132.0/2412.234.133.0/2412.234.134.0/2412.234.135.0/2412.234.136.0/2412.234.137.0/2412.234.138.0/2412.234.139.0/2412.234.140.0/2412.234.141.0/2412.234.142.0/2412.234.143.0/24