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=9.17 ms
64 bytes from 170.33.12.185 (170.33.12.185): icmp_seq=2 ttl=58 time=8.94 ms
64 bytes from 170.33.12.185 (170.33.12.185): icmp_seq=3 ttl=58 time=8.86 ms

--- overdue.aliyun.com ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2002ms
rtt min/avg/max/mdev = 8.861/8.992/9.171/0.131 ms