PING yy6.org (104.21.227.134) 56(84) bytes of data.
64 bytes from 104.21.227.134 (104.21.227.134): icmp_seq=1 ttl=60 time=4.40 ms
64 bytes from 104.21.227.134 (104.21.227.134): icmp_seq=2 ttl=60 time=4.28 ms
64 bytes from 104.21.227.134 (104.21.227.134): icmp_seq=3 ttl=60 time=4.24 ms

--- yy6.org ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2002ms
rtt min/avg/max/mdev = 4.249/4.311/4.402/0.084 ms