AS7018 12.216.232.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 204812.216.232.0/2412.216.233.0/2412.216.234.0/2412.216.235.0/2412.216.236.0/2412.216.237.0/2412.216.238.0/2412.216.239.0/24