AS7018 12.176.224.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 204812.176.224.0/2412.176.225.0/2412.176.226.0/2412.176.227.0/2412.176.228.0/2412.176.229.0/2412.176.230.0/2412.176.231.0/24