AS7018 12.6.152.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 204812.6.152.0/2412.6.153.0/2412.6.154.0/2412.6.155.0/2412.6.156.0/2412.6.157.0/2412.6.158.0/2412.6.159.0/24