PING overdue.aliyun.com (170.33.13.246) 56(84) bytes of data.
64 bytes from 170.33.13.246 (170.33.13.246): icmp_seq=1 ttl=58 time=11.6 ms
64 bytes from 170.33.13.246 (170.33.13.246): icmp_seq=2 ttl=58 time=8.96 ms
64 bytes from 170.33.13.246 (170.33.13.246): icmp_seq=3 ttl=58 time=8.88 ms

--- overdue.aliyun.com ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2000ms
rtt min/avg/max/mdev = 8.887/9.829/11.636/1.278 ms