AS7018 12.228.8.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 204812.228.8.0/2412.228.9.0/2412.228.10.0/2412.228.11.0/2412.228.12.0/2412.228.13.0/2412.228.14.0/2412.228.15.0/24