Insufficient responses for TCP sequencing (3), OS detection may be less accurate
Interesting ports on  (163.17.94.1):
(The 1535 ports scanned but not shown below are in state: closed)
Port       State       Service
21/tcp     open        ftp                     
53/tcp     open        domain                  
80/tcp     open        http                    
135/tcp    open        loc-srv                 
139/tcp    open        netbios-ssn             
443/tcp    open        https                   
1031/tcp   open        iad2                    

Remote OS guesses: Windows NT4 / Win95 / Win98, Microsoft NT 4.0 Server SP5 + 2047 Hotfixes

# Nmap run completed at Fri Jun  8 08:32:06 2001 -- 1 IP address (1 host up) scanned in 123 seconds