PING www.fuwaschool.icoc.cn (156.253.154.100) 56(84) bytes of data.
64 bytes from 156.253.154.100 (156.253.154.100): icmp_seq=1 ttl=59 time=195 ms
64 bytes from 156.253.154.100 (156.253.154.100): icmp_seq=2 ttl=59 time=194 ms
64 bytes from 156.253.154.100 (156.253.154.100): icmp_seq=3 ttl=59 time=194 ms

--- www.fuwaschool.icoc.cn ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2002ms
rtt min/avg/max/mdev = 194.722/194.852/195.084/0.535 ms