Lookup of 52.221.100.76
IP address: 52.221.100.76
Address type: IPv4
Host or reverse DNS (rDNS): ec2-52-221-100-76.ap-southeast-1.compute.amazonaws.com
Country: 
Singapore
52.221.100.76 does NOT belong to a private IP address block.
52.221.100.76 does NOT belong to a reserved IP address block.