Lookup of 3.37.21.122
IP address: 3.37.21.122
Address type: IPv4
Host or reverse DNS (rDNS): ec2-3-37-21-122.ap-northeast-2.compute.amazonaws.com
Country: 
South Korea
3.37.21.122 does NOT belong to a private IP address block.
3.37.21.122 does NOT belong to a reserved IP address block.