AS7018 12.190.224.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 204812.190.224.0/2412.190.225.0/2412.190.226.0/2412.190.227.0/2412.190.228.0/2412.190.229.0/2412.190.230.0/2412.190.231.0/24