Lookup of 18.140.121.133
IP address: 18.140.121.133
Address type: IPv4
Host or reverse DNS (rDNS): ec2-18-140-121-133.ap-southeast-1.compute.amazonaws.com
Country: 
Singapore
18.140.121.133 does NOT belong to a private IP address block.
18.140.121.133 does NOT belong to a reserved IP address block.