AS7018 12.15.8.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 204812.15.8.0/2412.15.9.0/2412.15.10.0/2412.15.11.0/2412.15.12.0/2412.15.13.0/2412.15.14.0/2412.15.15.0/24