Networking 我的互联网有问题。我有一个下降的互联网速度，但仍然得到高平

我试着在我的电脑上运行tracert，结果显示。这很不寻常，因为我可以很容易地访问google.com。是否有办法修复主机上的ICMP响应功能可能因安全原因而被阻止的问题。 请看这里：

C:\Windows\system32>tracert www.google.com

Tracing route to www.google.com [172.217.31.228]
over a maximum of 30 hops:

  1     2 ms     1 ms     1 ms  homerouter.cpe [192.168.8.1]
  2     *        *        *     Request timed out.
  3     *        *        *     Request timed out.
  4     *        *        *     Request timed out.
  5     *        *        *     Request timed out.
  6     *        *        *     Request timed out.
  7     *        *        *     Request timed out.
  8     *        *        *     Request timed out.
  9     *        *        *     Request timed out.
 10     *        *        *     Request timed out.
 11     *        *        *     Request timed out.
 12     *        *        *     Request timed out.
 13     *        *        *     Request timed out.
 14   174 ms    59 ms   278 ms  hkg07s28-in-f4.1e100.net [172.217.31.228]