PING jianedu.com (211.149.225.126) 56(84) bytes of data.
64 bytes from 211.149.225.126 (211.149.225.126): icmp_seq=1 ttl=54 time=299 ms
64 bytes from 211.149.225.126 (211.149.225.126): icmp_seq=2 ttl=54 time=298 ms
64 bytes from 211.149.225.126 (211.149.225.126): icmp_seq=3 ttl=54 time=298 ms

--- jianedu.com ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2015ms
rtt min/avg/max/mdev = 298.624/299.000/299.525/0.587 ms