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=57 time=27.2 ms
64 bytes from 170.33.13.246 (170.33.13.246): icmp_seq=2 ttl=57 time=24.4 ms
64 bytes from 170.33.13.246 (170.33.13.246): icmp_seq=3 ttl=57 time=24.4 ms

--- overdue.aliyun.com ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2002ms
rtt min/avg/max/mdev = 24.418/25.373/27.279/1.353 ms