Insufficient responses for TCP sequencing (2), OS detection may be less accurate
Interesting ports on  (204.146.133.115):
(The 1524 ports scanned but not shown below are in state: closed)
Port       State       Service
21/tcp     open        ftp                     
23/tcp     open        telnet                  
25/tcp     open        smtp                    
80/tcp     open        http                    
135/tcp    filtered    loc-srv                 
139/tcp    filtered    netbios-ssn             
6000/tcp   filtered    X11                     
6001/tcp   filtered    X11:1                   
6002/tcp   filtered    X11:2                   
6003/tcp   filtered    X11:3                   
6004/tcp   filtered    X11:4                   
6005/tcp   filtered    X11:5                   
6006/tcp   filtered    X11:6                   
6007/tcp   filtered    X11:7                   
6008/tcp   filtered    X11:8                   
6009/tcp   filtered    X11:9                   
6050/tcp   filtered    arcserve                
8080/tcp   open        http-proxy              

Remote OS guesses: AIX 4.1, AIX 4.2.X, AIX 4.3.2.0-4.3.3.0 on an IBM RS/*

# Nmap run completed at Tue Aug 28 11:24:35 2001 -- 1 IP address (1 host up) scanned in 33 seconds