Lookup of 54.204.81.53
IP address: 54.204.81.53
Address type: IPv4
Host or reverse DNS (rDNS): ec2-54-204-81-53.compute-1.amazonaws.com
Country: 
United States
54.204.81.53 does NOT belong to a private IP address block.
54.204.81.53 does NOT belong to a reserved IP address block.