AS7018 12.188.176.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 204812.188.176.0/2412.188.177.0/2412.188.178.0/2412.188.179.0/2412.188.180.0/2412.188.181.0/2412.188.182.0/2412.188.183.0/24