PING underground-826288077.qqku.com (121.40.123.194) 56(84) bytes of data.
64 bytes from 121.40.123.194 (121.40.123.194): icmp_seq=1 ttl=51 time=217 ms
64 bytes from 121.40.123.194 (121.40.123.194): icmp_seq=2 ttl=51 time=212 ms
64 bytes from 121.40.123.194 (121.40.123.194): icmp_seq=3 ttl=51 time=215 ms

--- underground-826288077.qqku.com ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 1999ms
rtt min/avg/max/mdev = 212.089/215.309/217.870/2.464 ms