PING www.tzkaisuo.cn (15.197.192.55) 56(84) bytes of data.
64 bytes from a2ce49dcbfb515232.awsglobalaccelerator.com (15.197.192.55): icmp_seq=1
ttl=251 time=3.69 ms
64 bytes from a2ce49dcbfb515232.awsglobalaccelerator.com (15.197.192.55): icmp_seq=2
ttl=251 time=3.64 ms
64 bytes from a2ce49dcbfb515232.awsglobalaccelerator.com (15.197.192.55): icmp_seq=3
ttl=251 time=3.73 ms

--- www.tzkaisuo.cn ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2003ms
rtt min/avg/max/mdev = 3.649/3.693/3.739/0.036 ms