PING www.tanlala.cn (104.21.29.219) 56(84) bytes of data.
64 bytes from 104.21.29.219 (104.21.29.219): icmp_seq=1 ttl=60 time=4.82 ms
64 bytes from 104.21.29.219 (104.21.29.219): icmp_seq=2 ttl=60 time=4.16 ms
64 bytes from 104.21.29.219 (104.21.29.219): icmp_seq=3 ttl=60 time=4.22 ms

--- www.tanlala.cn ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2002ms
rtt min/avg/max/mdev = 4.169/4.405/4.820/0.294 ms