Insufficient responses for TCP sequencing (2), OS detection may be less accurate
Interesting ports on bionet.bio.umss.edu.bo (167.157.20.2):
(The 1524 ports scanned but not shown below are in state: closed)
Port       State       Service
21/tcp     filtered    ftp                     
23/tcp     filtered    telnet                  
25/tcp     open        smtp                    
53/tcp     open        domain                  
79/tcp     open        finger                  
80/tcp     open        http                    
106/tcp    open        pop3pw                  
110/tcp    open        pop-3                   
135/tcp    open        loc-srv                 
139/tcp    open        netbios-ssn             
443/tcp    open        https                   
514/tcp    open        shell                   
515/tcp    open        printer                 
1030/tcp   open        iad1                    
5000/tcp   open        fics                    
5900/tcp   open        vnc                     
6000/tcp   open        X11                     
43188/tcp  open        reachout                

Remote operating system guess: Windows NT4 / Win95 / Win98

# Nmap run completed at Thu Jun  7 12:14:42 2001 -- 1 IP address (1 host up) scanned in 494 seconds