AS7018 12.159.192.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 204812.159.192.0/2412.159.193.0/2412.159.194.0/2412.159.195.0/2412.159.196.0/2412.159.197.0/2412.159.198.0/2412.159.199.0/24