AS7018 75.40.152.0/21 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 2046Addressable IPs: 204875.40.152.0/2475.40.153.0/2475.40.154.0/2475.40.155.0/2475.40.156.0/2475.40.157.0/2475.40.158.0/2475.40.159.0/24