PING www.jnthcs.cn (38.63.248.66) 56(84) bytes of data.
64 bytes from 38.63.248.66 (38.63.248.66): icmp_seq=1 ttl=121 time=152 ms
64 bytes from 38.63.248.66 (38.63.248.66): icmp_seq=2 ttl=121 time=152 ms
64 bytes from 38.63.248.66 (38.63.248.66): icmp_seq=3 ttl=121 time=152 ms

--- www.jnthcs.cn ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2002ms
rtt min/avg/max/mdev = 152.060/152.245/152.509/0.371 ms