Interesting ports on www2.pics.com (192.135.189.21):
(The 1515 ports scanned but not shown below are in state: closed)
Port       State       Service
21/tcp     open        ftp                     
70/tcp     filtered    gopher                  
79/tcp     filtered    finger                  
80/tcp     open        http                    
87/tcp     filtered    priv-term-l             
111/tcp    filtered    sunrpc                  
135/tcp    open        loc-srv                 
139/tcp    open        netbios-ssn             
179/tcp    filtered    bgp                     
194/tcp    filtered    irc                     
372/tcp    filtered    ulistserv               
443/tcp    open        https                   
512/tcp    filtered    exec                    
513/tcp    filtered    login                   
514/tcp    filtered    shell                   
515/tcp    filtered    printer                 
520/tcp    filtered    efs                     
540/tcp    filtered    uucp                    
2000/tcp   filtered    callbook                
2001/tcp   filtered    dc                      
2002/tcp   filtered    globe                   
3000/tcp   open        ppp                     
5631/tcp   open        pcanywheredata          
6000/tcp   filtered    X11                     
6001/tcp   filtered    X11:1                   
6002/tcp   filtered    X11:2                   
6050/tcp   open        arcserve                

Remote operating system guess: Microsoft NT 4.0 Server SP5 + 2047 Hotfixes

# Nmap run completed at Fri Jun  1 05:48:54 2001 -- 1 IP address (1 host up) scanned in 23 seconds