Lookup of 52.1.23.129
IP address: 52.1.23.129
Address type: IPv4
Host or reverse DNS (rDNS): ec2-52-1-23-129.compute-1.amazonaws.com
Country: 
United States
52.1.23.129 does NOT belong to a private IP address block.
52.1.23.129 does NOT belong to a reserved IP address block.