AS7018 12.105.216.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 204812.105.216.0/2412.105.217.0/2412.105.218.0/2412.105.219.0/2412.105.220.0/2412.105.221.0/2412.105.222.0/2412.105.223.0/24