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=9.67 ms
64 bytes from 170.33.13.246 (170.33.13.246): icmp_seq=2 ttl=58 time=8.93 ms
64 bytes from 170.33.13.246 (170.33.13.246): icmp_seq=3 ttl=58 time=8.83 ms

--- overdue.aliyun.com ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2229ms
rtt min/avg/max/mdev = 8.838/9.150/9.679/0.383 ms