AS7018 12.206.232.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 204812.206.232.0/2412.206.233.0/2412.206.234.0/2412.206.235.0/2412.206.236.0/2412.206.237.0/2412.206.238.0/2412.206.239.0/24