PING trra.net.cn (156.229.197.193) 56(84) bytes of data.
64 bytes from 156.229.197.193 (156.229.197.193): icmp_seq=1 ttl=121 time=143 ms
64 bytes from 156.229.197.193 (156.229.197.193): icmp_seq=2 ttl=121 time=142 ms
64 bytes from 156.229.197.193 (156.229.197.193): icmp_seq=3 ttl=121 time=142 ms

--- trra.net.cn ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2003ms
rtt min/avg/max/mdev = 142.143/142.884/143.949/0.831 ms