AS7018 99.136.128.0/19 CIDR and IP Range Summary.ASN: 7018 - AT&T Services Inc.Host Count: 8190Addressable IPs: 819299.136.128.0/2499.136.129.0/2499.136.130.0/2499.136.131.0/2499.136.132.0/2499.136.133.0/2499.136.134.0/2499.136.135.0/2499.136.136.0/2499.136.137.0/2499.136.138.0/2499.136.139.0/2499.136.140.0/2499.136.141.0/2499.136.142.0/2499.136.143.0/2499.136.144.0/2499.136.145.0/2499.136.146.0/2499.136.147.0/2499.136.148.0/2499.136.149.0/2499.136.150.0/2499.136.151.0/2499.136.152.0/2499.136.153.0/2499.136.154.0/2499.136.155.0/2499.136.156.0/2499.136.157.0/2499.136.158.0/2499.136.159.0/24