for winXP/2k
執行cmd
然後tracert ...(你不能連的網站)
ex.
C:\Documents and Settings\David>tracert tw.yahoo.com
Tracing route to vip1.tw.tpe.yahoo.com [202.43.195.52]
over a maximum of 30 hops:
1 14 ms 5 ms 68 ms router1.m7.ntu.edu.tw [140.112.249.254]
2 5 ms 23 ms 5 ms ru250.cc.ntu.edu.tw [140.112.149.250]
3 32 ms 10 ms 13 ms 140.112.1.113
4 4 ms 5 ms 25 ms 140.112.1.38
5 26 ms 14 ms 1 ms tp-tanet-gw01.router.hinet.net [211.20.43.62]
6 9 ms 15 ms 5 ms tp-twix-r1.router.hinet.net [211.22.35.70]
7 17 ms 29 ms 16 ms tp-s2-c12r2.router.hinet.net [211.22.35.230]
8 * * *