AS7018 12.227.56.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 204812.227.56.0/2412.227.57.0/2412.227.58.0/2412.227.59.0/2412.227.60.0/2412.227.61.0/2412.227.62.0/2412.227.63.0/24