PING www.2kdy.cn (107.149.108.49) 56(84) bytes of data.
64 bytes from 107.149.108.49 (107.149.108.49): icmp_seq=1 ttl=121 time=143 ms
64 bytes from 107.149.108.49 (107.149.108.49): icmp_seq=2 ttl=121 time=142 ms
64 bytes from 107.149.108.49 (107.149.108.49): icmp_seq=3 ttl=121 time=142 ms

--- www.2kdy.cn ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2000ms
rtt min/avg/max/mdev = 142.585/142.795/143.195/0.519 ms