AS19994 50.57.128.0/19 CIDR and IP Range Summary.ASN: 19994 - Rackspace HostingHost Count: 8190Addressable IPs: 819250.57.128.0/2450.57.129.0/2450.57.130.0/2450.57.131.0/2450.57.132.0/2450.57.133.0/2450.57.134.0/2450.57.135.0/2450.57.136.0/2450.57.137.0/2450.57.138.0/2450.57.139.0/2450.57.140.0/2450.57.141.0/2450.57.142.0/2450.57.143.0/2450.57.144.0/2450.57.145.0/2450.57.146.0/2450.57.147.0/2450.57.148.0/2450.57.149.0/2450.57.150.0/2450.57.151.0/2450.57.152.0/2450.57.153.0/2450.57.154.0/2450.57.155.0/2450.57.156.0/2450.57.157.0/2450.57.158.0/2450.57.159.0/24