PING dz-1589753090.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=48 time=208 ms
64 bytes from 121.40.123.194 (121.40.123.194): icmp_seq=2 ttl=48 time=205 ms
64 bytes from 121.40.123.194 (121.40.123.194): icmp_seq=3 ttl=48 time=208 ms

--- dz-1589753090.qqku.com ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2002ms
rtt min/avg/max/mdev = 205.844/207.323/208.121/1.046 ms