PING www.tb265.cn (104.21.76.126) 56(84) bytes of data.
64 bytes from 104.21.76.126 (104.21.76.126): icmp_seq=1 ttl=60 time=6.39 ms
64 bytes from 104.21.76.126 (104.21.76.126): icmp_seq=2 ttl=60 time=4.29 ms
64 bytes from 104.21.76.126 (104.21.76.126): icmp_seq=3 ttl=60 time=4.21 ms

--- www.tb265.cn ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2001ms
rtt min/avg/max/mdev = 4.211/4.964/6.390/1.011 ms