AS7018 12.175.216.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 204812.175.216.0/2412.175.217.0/2412.175.218.0/2412.175.219.0/2412.175.220.0/2412.175.221.0/2412.175.222.0/2412.175.223.0/24