phablet@ubuntu-phablet:~$ ping ubuntu.com
PING ubuntu.com (91.189.94.40) 56(84) bytes of data.
64 bytes from ovinnik.canonical.com (91.189.94.40): icmp_seq=1 ttl=55 time=43.7 ms
64 bytes from ovinnik.canonical.com (91.189.94.40): icmp_seq=2 ttl=55 time=62.8 ms
64 bytes from ovinnik.canonical.com (91.189.94.40): icmp_seq=3 ttl=55 time=61.6 ms
64 bytes from ovinnik.canonical.com (91.189.94.40): icmp_seq=4 ttl=55 time=43.1 ms
^C
--- ubuntu.com ping statistics ---
4 packets transmitted, 4 received, 0% packet loss, time 3002ms
rtt min/avg/max/mdev = 43.145/52.831/62.811/9.413 ms
phablet@ubuntu-phablet:~$ ping6 ubuntu.com
unknown host
phablet@ubuntu-phablet:~$ ping ubuntu.com
ping: unknown host ubuntu.com