arduino ethernet

 and the senararium project is also having problems.

I can see these things in the lab but not outside 

 I've tried this and I can see it from the south wing
ar -r
...
arduino-03.open.ac.uk (137.108.48.141) at (incomplete) on en0 [ethernet]

but when I try to telnet or ping it I get

PING 137.108.48.141 (137.108.48.141): 56 data bytes
ping: sendto: No route to host
ping: sendto: Host is down

telnet !$ 80
telnet 137.108.48.141 80
Trying 137.108.48.141...
telnet: connect to address 137.108.48.141: Host is down
telnet: Unable to connect to remote host