AS7018 12.47.216.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 204812.47.216.0/2412.47.217.0/2412.47.218.0/2412.47.219.0/2412.47.220.0/2412.47.221.0/2412.47.222.0/2412.47.223.0/24