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=57 time=9.73 ms
64 bytes from 170.33.12.185 (170.33.12.185): icmp_seq=2 ttl=57 time=9.39 ms
64 bytes from 170.33.12.185 (170.33.12.185): icmp_seq=3 ttl=57 time=9.33 ms

--- overdue.aliyun.com ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2002ms
rtt min/avg/max/mdev = 9.330/9.484/9.732/0.193 ms