PING yangguanglishen.icoc.com (172.104.251.198) 56(84) bytes of data.
64 bytes from 172-104-251-198.ip.linodeusercontent.com (172.104.251.198): icmp_seq=1
ttl=55 time=9.91 ms
64 bytes from 172-104-251-198.ip.linodeusercontent.com (172.104.251.198): icmp_seq=2
ttl=55 time=9.27 ms
64 bytes from 172-104-251-198.ip.linodeusercontent.com (172.104.251.198): icmp_seq=3
ttl=55 time=9.18 ms

--- yangguanglishen.icoc.com ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2003ms
rtt min/avg/max/mdev = 9.183/9.456/9.916/0.345 ms