PING web.sfc.keio.ac.jp (133.27.5.97) 56(84) bytes of data.
64 bytes from web.sfc.keio.ac.jp (133.27.5.97): icmp_seq=1 ttl=249 time=227 ms
64 bytes from web.sfc.keio.ac.jp (133.27.5.97): icmp_seq=2 ttl=249 time=225 ms
64 bytes from web.sfc.keio.ac.jp (133.27.5.97): icmp_seq=3 ttl=249 time=225 ms

--- web.sfc.keio.ac.jp ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2000ms
rtt min/avg/max/mdev = 225.619/226.421/227.986/1.106 ms