Lookup of 52.209.21.37
IP address: 52.209.21.37
Address type: IPv4
Host or reverse DNS (rDNS): ec2-52-209-21-37.eu-west-1.compute.amazonaws.com
Country: 
Ireland
52.209.21.37 does NOT belong to a private IP address block.
52.209.21.37 does NOT belong to a reserved IP address block.