AS7018 12.204.128.0/19 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 8190Addressable IPs: 819212.204.128.0/2412.204.129.0/2412.204.130.0/2412.204.131.0/2412.204.132.0/2412.204.133.0/2412.204.134.0/2412.204.135.0/2412.204.136.0/2412.204.137.0/2412.204.138.0/2412.204.139.0/2412.204.140.0/2412.204.141.0/2412.204.142.0/2412.204.143.0/2412.204.144.0/2412.204.145.0/2412.204.146.0/2412.204.147.0/2412.204.148.0/2412.204.149.0/2412.204.150.0/2412.204.151.0/2412.204.152.0/2412.204.153.0/2412.204.154.0/2412.204.155.0/2412.204.156.0/2412.204.157.0/2412.204.158.0/2412.204.159.0/24