AS7018 12.234.168.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 204812.234.168.0/2412.234.169.0/2412.234.170.0/2412.234.171.0/2412.234.172.0/2412.234.173.0/2412.234.174.0/2412.234.175.0/24