Win + R > napisat cmd > enter > napisat tracert google.cz > enter > vypise daco podobneho:
C:\>tracert google.cz
Tracing route to google.cz [66.249.93.104]
over a maximum of 30 hops:
1 <1 ms <1 ms <1 ms 192.168.1.1
2 15 ms 15 ms 14 ms ...
Prva IP je IP vasho modemu (routera), ktorym sa do internetu pripajate.