AS19994 50.57.192.0/20 CIDR and IP Range Summary.ASN: 19994 - Rackspace HostingHost Count: 4094Addressable IPs: 409650.57.192.0/2450.57.193.0/2450.57.194.0/2450.57.195.0/2450.57.196.0/2450.57.197.0/2450.57.198.0/2450.57.199.0/2450.57.200.0/2450.57.201.0/2450.57.202.0/2450.57.203.0/2450.57.204.0/2450.57.205.0/2450.57.206.0/2450.57.207.0/24