Nmap scan report for dynamic-186-28-197-48.dynamic.etb.net.co (186.28.197.48)
Host is up (0.13s latency).
Not shown: 94 closed tcp ports (reset)
PORT     STATE    SERVICE
21/tcp   filtered ftp
23/tcp   filtered telnet
25/tcp   filtered smtp
80/tcp   filtered http
443/tcp  filtered https
1900/tcp filtered upnp

Nmap done: 1 IP address (1 host up) scanned in 2.99 seconds