AS7018 75.40.128.0/20 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 4094Addressable IPs: 409675.40.128.0/2475.40.129.0/2475.40.130.0/2475.40.131.0/2475.40.132.0/2475.40.133.0/2475.40.134.0/2475.40.135.0/2475.40.136.0/2475.40.137.0/2475.40.138.0/2475.40.139.0/2475.40.140.0/2475.40.141.0/2475.40.142.0/2475.40.143.0/24