Lookup of 52.77.181.20
IP address: 52.77.181.20
Address type: IPv4
Host or reverse DNS (rDNS): ec2-52-77-181-20.ap-southeast-1.compute.amazonaws.com
Country: 
Singapore
52.77.181.20 does NOT belong to a private IP address block.
52.77.181.20 does NOT belong to a reserved IP address block.