PING pro-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=122 time=144 ms
64 bytes from 107.149.108.49 (107.149.108.49): icmp_seq=2 ttl=122 time=141 ms
64 bytes from 107.149.108.49 (107.149.108.49): icmp_seq=3 ttl=122 time=141 ms

--- pro-www.2kdy.cn ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2001ms
rtt min/avg/max/mdev = 141.716/142.539/144.160/1.146 ms