AS7018 12.181.176.0/20 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 4094Addressable IPs: 409612.181.176.0/2412.181.177.0/2412.181.178.0/2412.181.179.0/2412.181.180.0/2412.181.181.0/2412.181.182.0/2412.181.183.0/2412.181.184.0/2412.181.185.0/2412.181.186.0/2412.181.187.0/2412.181.188.0/2412.181.189.0/2412.181.190.0/2412.181.191.0/24