AS7018 12.188.120.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 204812.188.120.0/2412.188.121.0/2412.188.122.0/2412.188.123.0/2412.188.124.0/2412.188.125.0/2412.188.126.0/2412.188.127.0/24