Insufficient responses for TCP sequencing (1), OS detection may be less accurate
Interesting ports on  (210.8.42.131):
(The 1518 ports scanned but not shown below are in state: closed)
Port       State       Service
21/tcp     open        ftp                     
23/tcp     open        telnet                  
25/tcp     open        smtp                    
70/tcp     open        gopher                  
80/tcp     open        http                    
110/tcp    open        pop-3                   
119/tcp    open        nntp                    
123/tcp    open        ntp                     
137/tcp    open        netbios-ns              
139/tcp    open        netbios-ssn             
420/tcp    filtered    smpte                   
443/tcp    open        https                   
445/tcp    open        microsoft-ds            
507/tcp    open        crs                     
512/tcp    open        exec                    
513/tcp    open        login                   
514/tcp    open        shell                   
1433/tcp   open        ms-sql-s                
1434/tcp   open        ms-sql-m                
3000/tcp   open        ppp                     
3333/tcp   open        dec-notes               
6000/tcp   open        X11                     
8080/tcp   open        http-proxy              
9991/tcp   open        issa                    

Remote OS guesses: AIX v4.2, AIX 4.2, AIX 4.3.2.0-4.3.3.0 on an IBM RS/*, FreeBSD 4.0-20000208-CURRENT, IBM AIX v3.2.5 - 4, Linux 2.1.19 - 2.2.17

# Nmap run completed at Sat Jul  7 05:58:00 2001 -- 1 IP address (1 host up) scanned in 49 seconds