AS7018 12.157.208.0/20 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 4094Addressable IPs: 409612.157.208.0/2412.157.209.0/2412.157.210.0/2412.157.211.0/2412.157.212.0/2412.157.213.0/2412.157.214.0/2412.157.215.0/2412.157.216.0/2412.157.217.0/2412.157.218.0/2412.157.219.0/2412.157.220.0/2412.157.221.0/2412.157.222.0/2412.157.223.0/24