小弟最近遇到很怪的問題

台北有兩server 在同網段
www 169.254.1.16
mail 169.254.1.19

高雄vpn的user 169.254.3.25
可tracert 到 .1.8

C:\Documents and Settings\Administrator>tracert 169.254.1.8

Tracing route to 169.254.1.8 over a maximum of 30 hops

1 <1 ms <1 ms <1 ms 169.254.3.253
2 24 ms 24 ms 25 ms 10.254.254.51
3 33 ms 31 ms 33 ms 10.254.254.1
4 51 ms 56 ms 54 ms 10.0.0.1
5 54 ms 53 ms 55 ms 169.254.1.8

Trace complete.

.3.25 tracert 不到.1.19

C:\Documents and Settings\Administrator>tracert 169.254.1.19

Tracing route to 169.254.1.19 over a maximum of 30 hops

1 <1 ms <1 ms <1 ms 169.254.3.253
2 26 ms 51 ms 27 ms 10.254.254.51
3 70 ms 31 ms 30 ms 10.254.254.1
4 55 ms 54 ms 55 ms 10.0.0.1
5 * * *

.1.16 tracert 得到.1.19

C:\Documents and Settings\Administrator>tracert 169.254.1.19

Tracing route to mail.xx.com.tw [169.254.1.19]
over a maximum of 30 hops:

1 <1 ms <1 ms <1 ms mail.xx.com.tw [169.254.1.19]

Trace complete.

請問這是什麼樣的問題呢?

謝謝達人回答