AS7018 12.150.216.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 204812.150.216.0/2412.150.217.0/2412.150.218.0/2412.150.219.0/2412.150.220.0/2412.150.221.0/2412.150.222.0/2412.150.223.0/24