traceroute to qclab.kaist.ac.kr (142.251.18.121), 25 hops max, 60 byte packets
 1  10.0.0.1 (10.0.0.1)  0.028 ms
 2  *
 3  142.250.214.140 (142.250.214.140)  0.316 ms
 4  142.251.231.17 (142.251.231.17)  0.770 ms
 5  142.251.64.162 (142.251.64.162)  0.410 ms
 6  172.253.66.25 (172.253.66.25)  0.492 ms
 7  *
 8  *
 9  *
10  *
11  *
12  *
13  *
14  *
15  *
16  er-in-f121.1e100.net (142.251.18.121)  0.274 ms