PING www.oj642.cn (154.85.161.120) 56(84) bytes of data.
64 bytes from 154.85.161.120 (154.85.161.120): icmp_seq=1 ttl=121 time=198 ms
64 bytes from 154.85.161.120 (154.85.161.120): icmp_seq=2 ttl=121 time=198 ms
64 bytes from 154.85.161.120 (154.85.161.120): icmp_seq=3 ttl=121 time=197 ms

--- www.oj642.cn ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 1999ms
rtt min/avg/max/mdev = 197.781/198.378/198.947/0.599 ms