PING pro-275602568.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=50 time=253 ms
64 bytes from 121.40.123.194 (121.40.123.194): icmp_seq=2 ttl=50 time=254 ms
64 bytes from 121.40.123.194 (121.40.123.194): icmp_seq=3 ttl=50 time=253 ms

--- pro-275602568.qqku.com ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2000ms
rtt min/avg/max/mdev = 253.513/253.967/254.566/0.603 ms