Interesting ports on unknown.Level3.net (64.156.213.40):
(The 1 port scanned but not shown below is in state: closed)
Port       State       Service
80/tcp     open        http                    

Remote operating system guess: Linux 2.0.34-38

# Nmap run completed at Sat Jan  5 22:33:04 2002 -- 1 IP address (1 host up) scanned in 3 seconds