Lookup of 3.36.21.243
IP address: 3.36.21.243
Address type: IPv4
Host or reverse DNS (rDNS): ec2-3-36-21-243.ap-northeast-2.compute.amazonaws.com
Country: 
South Korea
3.36.21.243 does NOT belong to a private IP address block.
3.36.21.243 does NOT belong to a reserved IP address block.