traceroute to www.pkupx.cn (154.86.181.251), 25 hops max, 60 byte packets
 1  10.0.0.1 (10.0.0.1)  0.047 ms
 2  72.14.239.92 (72.14.239.92)  241.437 ms
 3  *
 4  *
 5  *
 6  154.86.181.251 (154.86.181.251)  215.547 ms