Insufficient responses for TCP sequencing (2), OS detection may be less accurate
Interesting ports on  (204.215.250.19):
(The 1524 ports scanned but not shown below are in state: closed)
Port       State       Service
7/tcp      open        echo                    
9/tcp      open        discard                 
13/tcp     open        daytime                 
17/tcp     open        qotd                    
19/tcp     open        chargen                 
21/tcp     open        ftp                     
25/tcp     open        smtp                    
80/tcp     open        http                    
110/tcp    open        pop-3                   
135/tcp    open        loc-srv                 
443/tcp    open        https                   
1030/tcp   open        iad1                    
2000/tcp   open        callbook                
2001/tcp   open        dc                      
5631/tcp   open        pcanywheredata          
6667/tcp   open        irc                     
6668/tcp   open        irc                     
65301/tcp  open        pcanywhere              

Remote operating system guess: Windows NT4 / Win95 / Win98

# Nmap run completed at Sun Jul 22 05:49:27 2001 -- 1 IP address (1 host up) scanned in 25 seconds