AS7018 12.159.152.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 204812.159.152.0/2412.159.153.0/2412.159.154.0/2412.159.155.0/2412.159.156.0/2412.159.157.0/2412.159.158.0/2412.159.159.0/24