Lookup of 3.7.33.221
IP address: 3.7.33.221
Address type: IPv4
Host or reverse DNS (rDNS): ec2-3-7-33-221.ap-south-1.compute.amazonaws.com
Country: 
India
3.7.33.221 does NOT belong to a private IP address block.
3.7.33.221 does NOT belong to a reserved IP address block.