Lookup of 18.138.77.61
IP address: 18.138.77.61
Address type: IPv4
Host or reverse DNS (rDNS): ec2-18-138-77-61.ap-southeast-1.compute.amazonaws.com
Country: 
Singapore
18.138.77.61 does NOT belong to a private IP address block.
18.138.77.61 does NOT belong to a reserved IP address block.