Insufficient responses for TCP sequencing (2), OS detection may be less accurate
Interesting ports on  (204.65.204.27):
(The 1537 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             
1030/tcp   open        iad1                    

Remote operating system guess: Windows NT4 / Win95 / Win98

# Nmap run completed at Fri Aug 10 23:30:27 2001 -- 1 IP address (1 host up) scanned in 24 seconds