PING yongyuandepengyou.com (104.21.70.206) 56(84) bytes of data.
64 bytes from 104.21.70.206 (104.21.70.206): icmp_seq=1 ttl=60 time=6.34 ms
64 bytes from 104.21.70.206 (104.21.70.206): icmp_seq=2 ttl=60 time=4.04 ms
64 bytes from 104.21.70.206 (104.21.70.206): icmp_seq=3 ttl=60 time=4.08 ms

--- yongyuandepengyou.com ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2000ms
rtt min/avg/max/mdev = 4.042/4.821/6.340/1.076 ms