AS7018 12.207.168.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 204812.207.168.0/2412.207.169.0/2412.207.170.0/2412.207.171.0/2412.207.172.0/2412.207.173.0/2412.207.174.0/2412.207.175.0/24