PING www.szmanting.cn (104.21.53.10) 56(84) bytes of data.
64 bytes from 104.21.53.10 (104.21.53.10): icmp_seq=1 ttl=60 time=4.85 ms
64 bytes from 104.21.53.10 (104.21.53.10): icmp_seq=2 ttl=60 time=3.99 ms
64 bytes from 104.21.53.10 (104.21.53.10): icmp_seq=3 ttl=60 time=3.90 ms

--- www.szmanting.cn ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2002ms
rtt min/avg/max/mdev = 3.906/4.250/4.851/0.432 ms