AS7018 12.204.120.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 204812.204.120.0/2412.204.121.0/2412.204.122.0/2412.204.123.0/2412.204.124.0/2412.204.125.0/2412.204.126.0/2412.204.127.0/24