# ping www.google.com
ping: unknown host www.google.com
root@mattl:~# ifconfig
eth0      Link encap:Ethernet  HWaddr 00:16:3E:76:17:4B  
          inet addr:89.16.0.169  Bcast:89.16.0.175  Mask:255.255.255.240
          inet6 addr: fe80::216:3eff:fe76:174b/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:6 errors:0 dropped:0 overruns:0 frame:0
          TX packets:8 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000 
          RX bytes:468 (468.0 b)  TX bytes:552 (552.0 b)

lo        Link encap:Local Loopback  
          inet addr:127.0.0.1  Mask:255.0.0.0
          inet6 addr: ::1/128 Scope:Host
          UP LOOPBACK RUNNING  MTU:16436  Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0 
          RX bytes:0 (0.0 b)  TX bytes:0 (0.0 b)

root@mattl:~# ping 140.186.70.30
connect: Network is unreachable