# nmap (V. 2.54BETA22) scan initiated Wed Apr  4 22:56:01 2001.
 
Interesting ports on cub1.SGC.PeachNet.EDU (168.20.180.21):
(The 1535 ports scanned but not shown below are in state: closed)
Port       State       Service
21/tcp     open        ftp                     
80/tcp     open        http                    
135/tcp    open        loc-srv                 
139/tcp    open        netbios-ssn             
443/tcp    open        https                   
515/tcp    open        printer                 
1031/tcp   open        iad2                    

Remote operating system guess: Windows NT4 / Win95 / Win98

# Nmap run completed at Wed Apr  4 22:56:57 2001 -- 1 IP address (1 host up) scanned in 56 seconds