AS7018 12.132.216.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 204812.132.216.0/2412.132.217.0/2412.132.218.0/2412.132.219.0/2412.132.220.0/2412.132.221.0/2412.132.222.0/2412.132.223.0/24