AS7018 12.163.8.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 204812.163.8.0/2412.163.9.0/2412.163.10.0/2412.163.11.0/2412.163.12.0/2412.163.13.0/2412.163.14.0/2412.163.15.0/24