AS7018 12.9.216.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 204812.9.216.0/2412.9.217.0/2412.9.218.0/2412.9.219.0/2412.9.220.0/2412.9.221.0/2412.9.222.0/2412.9.223.0/24