PING sc-2b1b.cn-beijing.oss-adns.aliyuncs.com.gds.alibabadns.com (39.103.20.58) 56(84)
bytes of data.
64 bytes from 39.103.20.58 (39.103.20.58): icmp_seq=1 ttl=89 time=291 ms
64 bytes from 39.103.20.58 (39.103.20.58): icmp_seq=3 ttl=89 time=291 ms

--- sc-2b1b.cn-beijing.oss-adns.aliyuncs.com.gds.alibabadns.com ping statistics ---
3 packets transmitted, 2 received, 33% packet loss, time 2051ms
rtt min/avg/max/mdev = 291.221/291.503/291.785/0.282 ms