Insufficient responses for TCP sequencing (1), OS detection may be less accurate
Interesting ports on  (151.4.174.50):
(The 1534 ports scanned but not shown below are in state: closed)
Port       State       Service
25/tcp     open        smtp                    
80/tcp     open        http                    
106/tcp    open        pop3pw                  
110/tcp    open        pop-3                   
135/tcp    open        loc-srv                 
443/tcp    open        https                   
1030/tcp   open        iad1                    
1080/tcp   open        socks                   

Remote OS guesses: Windows NT4 / Win95 / Win98, Windows NT 4 SP3, Microsoft NT 4.0 Server SP5 + 2047 Hotfixes

# Nmap run completed at Fri Jul 20 05:27:45 2001 -- 1 IP address (1 host up) scanned in 41 seconds