Lookup of 15.157.52.31
IP address: 15.157.52.31
Address type: IPv4
Host or reverse DNS (rDNS): ec2-15-157-52-31.ca-central-1.compute.amazonaws.com
Country: 
Canada
15.157.52.31 does NOT belong to a private IP address block.
15.157.52.31 does NOT belong to a reserved IP address block.