AS7018 12.15.176.0/20 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 4094Addressable IPs: 409612.15.176.0/2412.15.177.0/2412.15.178.0/2412.15.179.0/2412.15.180.0/2412.15.181.0/2412.15.182.0/2412.15.183.0/2412.15.184.0/2412.15.185.0/2412.15.186.0/2412.15.187.0/2412.15.188.0/2412.15.189.0/2412.15.190.0/2412.15.191.0/24