AS7018 12.40.128.0/19 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 8190Addressable IPs: 819212.40.128.0/2412.40.129.0/2412.40.130.0/2412.40.131.0/2412.40.132.0/2412.40.133.0/2412.40.134.0/2412.40.135.0/2412.40.136.0/2412.40.137.0/2412.40.138.0/2412.40.139.0/2412.40.140.0/2412.40.141.0/2412.40.142.0/2412.40.143.0/2412.40.144.0/2412.40.145.0/2412.40.146.0/2412.40.147.0/2412.40.148.0/2412.40.149.0/2412.40.150.0/2412.40.151.0/2412.40.152.0/2412.40.153.0/2412.40.154.0/2412.40.155.0/2412.40.156.0/2412.40.157.0/2412.40.158.0/2412.40.159.0/24