AS7018 66.140.208.0/20 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 4094Addressable IPs: 409666.140.208.0/2466.140.209.0/2466.140.210.0/2466.140.211.0/2466.140.212.0/2466.140.213.0/2466.140.214.0/2466.140.215.0/2466.140.216.0/2466.140.217.0/2466.140.218.0/2466.140.219.0/2466.140.220.0/2466.140.221.0/2466.140.222.0/2466.140.223.0/24