PING www.021rt.cn (45.201.224.123) 56(84) bytes of data.
64 bytes from 45.201.224.123 (45.201.224.123): icmp_seq=1 ttl=118 time=158 ms
64 bytes from 45.201.224.123 (45.201.224.123): icmp_seq=2 ttl=118 time=158 ms
64 bytes from 45.201.224.123 (45.201.224.123): icmp_seq=3 ttl=118 time=158 ms

--- www.021rt.cn ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2001ms
rtt min/avg/max/mdev = 158.311/158.472/158.574/0.115 ms