# nmap (V. 2.54BETA22) scan initiated Wed Apr  4 11:30:00 2001.
 
Interesting ports on  (192.156.136.104):
(The 1538 ports scanned but not shown below are in state: filtered)
Port       State       Service
53/tcp     closed      domain                  
80/tcp     open        http                    
443/tcp    open        https                   
444/tcp    closed      snpp                    

Remote operating system guess: Windows NT4 / Win95 / Win98

# Nmap run completed at Wed Apr  4 11:45:17 2001 -- 1 IP address (1 host up) scanned in 917 seconds