Lookup of 16.182.99.21
IP address: 16.182.99.21
Address type: IPv4
Host or reverse DNS (rDNS): s3-website-us-east-1.amazonaws.com
Country: 
United States
16.182.99.21 does NOT belong to a private IP address block.
16.182.99.21 does NOT belong to a reserved IP address block.