Lookup of 18.213.221.81
IP address: 18.213.221.81
Address type: IPv4
Host or reverse DNS (rDNS): ec2-18-213-221-81.compute-1.amazonaws.com
Country: 
United States
18.213.221.81 does NOT belong to a private IP address block.
18.213.221.81 does NOT belong to a reserved IP address block.