PING coreserver.jp (104.18.25.150) 56(84) bytes of data.
64 bytes from 104.18.25.150 (104.18.25.150): icmp_seq=1 ttl=60 time=6.77 ms
64 bytes from 104.18.25.150 (104.18.25.150): icmp_seq=2 ttl=60 time=4.58 ms
64 bytes from 104.18.25.150 (104.18.25.150): icmp_seq=3 ttl=60 time=4.56 ms

--- coreserver.jp ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2003ms
rtt min/avg/max/mdev = 4.569/5.309/6.777/1.040 ms