不能下載.......
tracert 140.128.5.9
Tracing route to www1.pu.edu.tw [140.128.5.9]
over a maximum of 30 hops:
3 35 ms 35 ms 34 ms cat6k.nchu.edu.tw [140.128.250.254]
4 35 ms 37 ms 36 ms 140.128.251.41
5 34 ms 37 ms 37 ms 140.128.30.254
6 * 140.128.30.254 reports: Destination host unreachable.