AS7018 12.152.128.0/20 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 4094Addressable IPs: 409612.152.128.0/2412.152.129.0/2412.152.130.0/2412.152.131.0/2412.152.132.0/2412.152.133.0/2412.152.134.0/2412.152.135.0/2412.152.136.0/2412.152.137.0/2412.152.138.0/2412.152.139.0/2412.152.140.0/2412.152.141.0/2412.152.142.0/2412.152.143.0/24