AS7018 12.158.128.0/20 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 4094Addressable IPs: 409612.158.128.0/2412.158.129.0/2412.158.130.0/2412.158.131.0/2412.158.132.0/2412.158.133.0/2412.158.134.0/2412.158.135.0/2412.158.136.0/2412.158.137.0/2412.158.138.0/2412.158.139.0/2412.158.140.0/2412.158.141.0/2412.158.142.0/2412.158.143.0/24