AS7018 207.140.152.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 2048207.140.152.0/24207.140.153.0/24207.140.154.0/24207.140.155.0/24207.140.156.0/24207.140.157.0/24207.140.158.0/24207.140.159.0/24