AS7018 12.9.152.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 204812.9.152.0/2412.9.153.0/2412.9.154.0/2412.9.155.0/2412.9.156.0/2412.9.157.0/2412.9.158.0/2412.9.159.0/24