PING ss1.coressl.jp (183.90.183.210) 56(84) bytes of data.
64 bytes from ss1.coressl.jp (183.90.183.210): icmp_seq=1 ttl=60 time=247 ms
64 bytes from ss1.coressl.jp (183.90.183.210): icmp_seq=2 ttl=60 time=229 ms
64 bytes from ss1.coressl.jp (183.90.183.210): icmp_seq=3 ttl=60 time=242 ms

--- ss1.coressl.jp ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 1999ms
rtt min/avg/max/mdev = 229.828/239.960/247.247/7.401 ms