PING jnfmzsb.jdol.com.cn (39.97.208.120) 56(84) bytes of data.
64 bytes from 39.97.208.120 (39.97.208.120): icmp_seq=1 ttl=46 time=349 ms
64 bytes from 39.97.208.120 (39.97.208.120): icmp_seq=2 ttl=46 time=349 ms
64 bytes from 39.97.208.120 (39.97.208.120): icmp_seq=3 ttl=46 time=349 ms

--- jnfmzsb.jdol.com.cn ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2002ms
rtt min/avg/max/mdev = 349.541/349.614/349.752/0.689 ms