AS7018 12.153.128.0/18 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 16382Addressable IPs: 1638412.153.128.0/2412.153.129.0/2412.153.130.0/2412.153.131.0/2412.153.132.0/2412.153.133.0/2412.153.134.0/2412.153.135.0/2412.153.136.0/2412.153.137.0/2412.153.138.0/2412.153.139.0/2412.153.140.0/2412.153.141.0/2412.153.142.0/2412.153.143.0/2412.153.144.0/2412.153.145.0/2412.153.146.0/2412.153.147.0/2412.153.148.0/2412.153.149.0/2412.153.150.0/2412.153.151.0/2412.153.152.0/2412.153.153.0/2412.153.154.0/2412.153.155.0/2412.153.156.0/2412.153.157.0/2412.153.158.0/2412.153.159.0/2412.153.160.0/2412.153.161.0/2412.153.162.0/2412.153.163.0/2412.153.164.0/2412.153.165.0/2412.153.166.0/2412.153.167.0/2412.153.168.0/2412.153.169.0/2412.153.170.0/2412.153.171.0/2412.153.172.0/2412.153.173.0/2412.153.174.0/2412.153.175.0/2412.153.176.0/2412.153.177.0/2412.153.178.0/2412.153.179.0/2412.153.180.0/2412.153.181.0/2412.153.182.0/2412.153.183.0/2412.153.184.0/2412.153.185.0/2412.153.186.0/2412.153.187.0/2412.153.188.0/2412.153.189.0/2412.153.190.0/2412.153.191.0/24