PING overdue.aliyun.com (170.33.12.185) 56(84) bytes of data.
64 bytes from 170.33.12.185 (170.33.12.185): icmp_seq=1 ttl=58 time=9.22 ms
64 bytes from 170.33.12.185 (170.33.12.185): icmp_seq=2 ttl=58 time=8.91 ms
64 bytes from 170.33.12.185 (170.33.12.185): icmp_seq=3 ttl=58 time=8.90 ms

--- overdue.aliyun.com ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2003ms
rtt min/avg/max/mdev = 8.907/9.014/9.224/0.148 ms