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=9.55 ms
64 bytes from 170.33.12.185 (170.33.12.185): icmp_seq=2 ttl=58 time=9.28 ms
64 bytes from 170.33.12.185 (170.33.12.185): icmp_seq=3 ttl=58 time=9.24 ms

--- overdue.aliyun.com ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2002ms
rtt min/avg/max/mdev = 9.244/9.362/9.559/0.160 ms