PING www.yfyyc.com (154.199.218.198) 56(84) bytes of data.
64 bytes from 154.199.218.198 (154.199.218.198): icmp_seq=1 ttl=121 time=143 ms
64 bytes from 154.199.218.198 (154.199.218.198): icmp_seq=2 ttl=121 time=141 ms
64 bytes from 154.199.218.198 (154.199.218.198): icmp_seq=3 ttl=121 time=141 ms

--- www.yfyyc.com ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2002ms
rtt min/avg/max/mdev = 141.308/141.961/143.187/0.867 ms