PING www.n.t.u-tokyo.ac.jp (219.94.162.197) 56(84) bytes of data.
64 bytes from www1357.sakura.ne.jp (219.94.162.197): icmp_seq=1 ttl=60 time=242 ms
64 bytes from www1357.sakura.ne.jp (219.94.162.197): icmp_seq=2 ttl=60 time=241 ms
64 bytes from www1357.sakura.ne.jp (219.94.162.197): icmp_seq=3 ttl=60 time=241 ms

--- www.n.t.u-tokyo.ac.jp ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2002ms
rtt min/avg/max/mdev = 241.794/241.979/242.309/0.233 ms