PING www.shirakami.or.jp (203.192.97.23) 56(84) bytes of data.
64 bytes from www.shirakami.or.jp (203.192.97.23): icmp_seq=1 ttl=56 time=238 ms
64 bytes from www.shirakami.or.jp (203.192.97.23): icmp_seq=2 ttl=56 time=237 ms
64 bytes from www.shirakami.or.jp (203.192.97.23): icmp_seq=3 ttl=56 time=240 ms

--- www.shirakami.or.jp ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2002ms
rtt min/avg/max/mdev = 237.652/239.005/240.475/1.155 ms