AS7018 12.207.208.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 204812.207.208.0/2412.207.209.0/2412.207.210.0/2412.207.211.0/2412.207.212.0/2412.207.213.0/2412.207.214.0/2412.207.215.0/24