minirat
请教网络路由跟踪问题
问题是：
我用xp的tracert命令tracert 61.189.88.168这个IP，我想如果能到达的话，跳到第5跳就应该Trace complete.，但是为什么从第6要跳到30，而且是Request timed out.，请高人指点一二，3Q
C:/Documents and Settings/Administrator>tracert 61.189.88.168
Tracing route to 61.189.88.168 over a maximum of 30 hops
1 2 ms 2 ms <1 ms 222.243.242.17
2 2 ms 1 ms 1 ms 222.247.29.241
3 1 ms 1 ms 1 ms 61.187.255.185
4 1 ms 1 ms 1 ms 222.247.30.170
5 <1 ms 1 ms 1 ms 61.189.88.168
6 * * * Request timed out.
7 * * * Request timed out.
8 * * * Request timed out.
9 * * * Request timed out.
10 * * * Request timed out.
11 * * * Request timed out.
12 * * * Request timed out.
13 * * * Request timed out.
14 * * * Request timed out.
15 * * * Request timed out.
16 * * * Request timed out.
17 * * * Request timed out.
18 * * * Request timed out.
19 * * * Request timed out.
20 * * * Request timed out.
21 * * * Request timed out.
22 * * * Request timed out.
23 * * * Request timed out.
24 * * * Request timed out.
25 * * * Request timed out.
26 * * * Request timed out.
27 * * * Request timed out.
28 * * * Request timed out.
29 * * * Request timed out.
30 * * * Request timed out.
Trace complete.
C:/