AS7018 12.104.152.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 204812.104.152.0/2412.104.153.0/2412.104.154.0/2412.104.155.0/2412.104.156.0/2412.104.157.0/2412.104.158.0/2412.104.159.0/24