Lookup of 52.5.91.154
IP address: 52.5.91.154
Address type: IPv4
Host or reverse DNS (rDNS): ec2-52-5-91-154.compute-1.amazonaws.com
Country: 
United States
52.5.91.154 does NOT belong to a private IP address block.
52.5.91.154 does NOT belong to a reserved IP address block.