Interesting ports on  (4.21.83.62):
(The 1529 ports scanned but not shown below are in state: closed)
Port       State       Service
21/tcp     open        ftp                     
25/tcp     open        smtp                    
27/tcp     open        nsw-fe                  
80/tcp     open        http                    
110/tcp    open        pop-3                   
135/tcp    open        loc-srv                 
139/tcp    open        netbios-ssn             
143/tcp    open        imap2                   
443/tcp    open        https                   
593/tcp    open        http-rpc-epmap          
1059/tcp   open        nimreg                  
1067/tcp   open        instl_boots             
5631/tcp   open        pcanywheredata          

Remote operating system guess: Windows NT4 / Win95 / Win98

# Nmap run completed at Sat Jun  2 23:24:57 2001 -- 1 IP address (1 host up) scanned in 10 seconds