AS7018 12.227.192.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 204812.227.192.0/2412.227.193.0/2412.227.194.0/2412.227.195.0/2412.227.196.0/2412.227.197.0/2412.227.198.0/2412.227.199.0/24