AS7018 12.198.224.0/20 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 4094Addressable IPs: 409612.198.224.0/2412.198.225.0/2412.198.226.0/2412.198.227.0/2412.198.228.0/2412.198.229.0/2412.198.230.0/2412.198.231.0/2412.198.232.0/2412.198.233.0/2412.198.234.0/2412.198.235.0/2412.198.236.0/2412.198.237.0/2412.198.238.0/2412.198.239.0/24