PING www.esoftbank.net.cn (104.21.13.23) 56(84) bytes of data.
64 bytes from 104.21.13.23 (104.21.13.23): icmp_seq=1 ttl=60 time=4.88 ms
64 bytes from 104.21.13.23 (104.21.13.23): icmp_seq=2 ttl=60 time=4.19 ms
64 bytes from 104.21.13.23 (104.21.13.23): icmp_seq=3 ttl=60 time=4.23 ms

--- www.esoftbank.net.cn ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2001ms
rtt min/avg/max/mdev = 4.197/4.437/4.883/0.315 ms