PING artax.karlin.mff.cuni.cz (195.113.26.195) 56(84) bytes of data.
From karlingw-c.karlin.mff.cuni.cz (195.113.26.130) icmp_seq=1 Destination Host
Unreachable
From karlingw-c.karlin.mff.cuni.cz (195.113.26.130) icmp_seq=2 Destination Host
Unreachable
From karlingw-c.karlin.mff.cuni.cz (195.113.26.130) icmp_seq=3 Destination Host
Unreachable

--- artax.karlin.mff.cuni.cz ping statistics ---
3 packets transmitted, 0 received, +3 errors, 100% packet loss, time 2077ms
pipe 3