PING whois.linkhelper.cn (23.225.18.235) 56(84) bytes of data.
64 bytes from 23.225.18.235: icmp_seq=1 ttl=56 time=149 ms
64 bytes from 23.225.18.235: icmp_seq=2 ttl=56 time=147 ms
64 bytes from 23.225.18.235: icmp_seq=3 ttl=56 time=147 ms

--- whois.linkhelper.cn ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 4256ms
rtt min/avg/max/mdev = 147.779/148.202/149.046/0.596 ms