AS7018 12.40.208.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 204812.40.208.0/2412.40.209.0/2412.40.210.0/2412.40.211.0/2412.40.212.0/2412.40.213.0/2412.40.214.0/2412.40.215.0/24