AS7018 12.233.168.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 204812.233.168.0/2412.233.169.0/2412.233.170.0/2412.233.171.0/2412.233.172.0/2412.233.173.0/2412.233.174.0/2412.233.175.0/24