PING china-shangdao.100xuexi.com (121.36.101.177) 56(84) bytes of data.
64 bytes from ecs-121-36-101-177.compute.hwclouds-dns.com (121.36.101.177): icmp_seq=1
ttl=48 time=289 ms
64 bytes from ecs-121-36-101-177.compute.hwclouds-dns.com (121.36.101.177): icmp_seq=2
ttl=48 time=288 ms
64 bytes from ecs-121-36-101-177.compute.hwclouds-dns.com (121.36.101.177): icmp_seq=3
ttl=48 time=288 ms

--- china-shangdao.100xuexi.com ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2992ms
rtt min/avg/max/mdev = 288.203/288.828/289.992/1.031 ms