Nmap scan report for ec2-3-21-146-9.us-east-2.compute.amazonaws.com (3.21.146.9)
Host is up (0.059s latency).
Not shown: 96 closed tcp ports (reset)
PORT     STATE SERVICE
22/tcp   open  ssh
80/tcp   open  http
443/tcp  open  https
8081/tcp open  blackice-icecap

Nmap done: 1 IP address (1 host up) scanned in 2.00 seconds