PING k2dq49m2.sched.sma-dk.tdnsstic1.cn (42.4.56.186) 56(84) bytes of data.
64 bytes from 42.4.56.186 (42.4.56.186): icmp_seq=1 ttl=54 time=309 ms
64 bytes from 42.4.56.186 (42.4.56.186): icmp_seq=2 ttl=54 time=300 ms
64 bytes from 42.4.56.186 (42.4.56.186): icmp_seq=3 ttl=54 time=292 ms

--- k2dq49m2.sched.sma-dk.tdnsstic1.cn ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2001ms
rtt min/avg/max/mdev = 292.293/300.972/309.844/7.180 ms