PING exmail.wechatos.net (43.155.124.18) 56(84) bytes of data.
64 bytes from 43.155.124.18 (43.155.124.18): icmp_seq=1 ttl=57 time=202 ms
64 bytes from 43.155.124.18 (43.155.124.18): icmp_seq=2 ttl=57 time=201 ms
64 bytes from 43.155.124.18 (43.155.124.18): icmp_seq=3 ttl=57 time=201 ms

--- exmail.wechatos.net ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2001ms
rtt min/avg/max/mdev = 201.749/201.899/202.104/0.396 ms