PING jmcjjj.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=49 time=288 ms
64 bytes from 39.97.208.120 (39.97.208.120): icmp_seq=2 ttl=49 time=281 ms
64 bytes from 39.97.208.120 (39.97.208.120): icmp_seq=3 ttl=49 time=287 ms

--- jmcjjj.jdol.com.cn ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2002ms
rtt min/avg/max/mdev = 281.982/286.016/288.466/2.940 ms