Interesting ports on 131.164.premierdsl.net (216.235.131.164):
(The 1534 ports scanned but not shown below are in state: filtered)
Port       State       Service
20/tcp     closed      ftp-data                
21/tcp     open        ftp                     
25/tcp     open        smtp                    
53/tcp     open        domain                  
80/tcp     open        http                    
110/tcp    open        pop-3                   
113/tcp    open        auth                    
143/tcp    open        imap2                   

Remote OS guesses: Linux 2.1.122 - 2.2.16, Linux kernel 2.2.13, Linux 2.2.14
Uptime 43.879 days (since Wed Apr 18 06:51:45 2001)

# Nmap run completed at Fri Jun  1 03:57:04 2001 -- 1 IP address (1 host up) scanned in 296 seconds