请哪位解释一下tracert的结果
H:\>tracert 172.17.64.8
Tracing route to sgpk989a.sin.infineon.com [172.17.64.8]
over a maximum of 30 hops:
1 <10 ms <10 ms <10 ms 172.29.156.254
2 266 ms 265 ms 313 ms 172.29.180.190
3 313 ms 484 ms 453 ms sgpk989a.sin.infineon.com [172.17.64.8]
Trace complete.
请问3个时间 313ms,484ms,453ms是什么意思