Lookup of 52.78.129.9
IP address: 52.78.129.9
Address type: IPv4
Host or reverse DNS (rDNS): ec2-52-78-129-9.ap-northeast-2.compute.amazonaws.com
Country: 
South Korea
52.78.129.9 does NOT belong to a private IP address block.
52.78.129.9 does NOT belong to a reserved IP address block.