Lookup of 50.18.142.31
IP address: 50.18.142.31
Address type: IPv4
Host or reverse DNS (rDNS): ec2-50-18-142-31.us-west-1.compute.amazonaws.com
Country: 
United States
50.18.142.31 does NOT belong to a private IP address block.
50.18.142.31 does NOT belong to a reserved IP address block.