PING www.gztianjiao.cn (142.250.72.174) 56(84) bytes of data.
64 bytes from lax17s50-in-f14.1e100.net (142.250.72.174): icmp_seq=1 ttl=111 time=148 ms
64 bytes from lax17s50-in-f14.1e100.net (142.250.72.174): icmp_seq=2 ttl=111 time=148 ms
64 bytes from lax17s50-in-f14.1e100.net (142.250.72.174): icmp_seq=3 ttl=111 time=148 ms

--- www.gztianjiao.cn ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2001ms
rtt min/avg/max/mdev = 148.652/148.757/148.949/0.342 ms