vultr 洛杉矶节点有一个 vps, 这段时间家里无法 ping 通这台服务器（家里是电信宽带），怀疑美国服务器被墙了。 怀疑家里的外网 IP 被认证了，重新拨号获取新 IP 还是无法 ping 通。 但是在公司（也是电信宽带）却可以 ping 通，也可以正常访问。 这是什么原理？

traceroute 看看卡哪了


traceroute 信息：
2 182.151.104.1 (182.151.104.1) 157.762 ms 157.767 ms 157.756 ms
3 220.167.86.245 (220.167.86.245) 157.747 ms 157.755 ms 157.750 ms
4 171.208.203.101 (171.208.203.101) 157.740 ms 171.208.198.17 (171.208.198.17) 157.732 ms 171.208.197.129 (171.208.197.129) 158.041 ms
5 202.97.65.201 (202.97.65.201) 158.037 ms 202.97.65.197 (202.97.65.197) 161.757 ms 198.531 ms
6 202.97.33.214 (202.97.33.214) 198.814 ms 43.355 ms *
7 * 202.97.91.141 (202.97.91.141) 121.784 ms *
8 202.97.58.230 (202.97.58.230) 227.192 ms * 202.97.52.138 (202.97.52.138) 242.701 ms
9 202.97.50.54 (202.97.50.54) 259.897 ms 275.135 ms 287.401 ms
10 218.30.54.182 (218.30.54.182) 290.489 ms 309.018 ms 213.248.92.129 (213.248.92.129) 196.578 ms
11 las-b21-link.telia.net (62.115.125.142) 222.773 ms las-b4-link.telia.net (62.115.119.140) 235.734 ms las-b21-link.telia.net (62.115.125.142) 248.495 ms
12 vultr-ic-318444-las-b4.c.telia.net (62.115.149.37) 266.575 ms 279.544 ms 279.511 ms
13 vultr-ic-318444-las-b4.c.telia.net (62.115.149.37) 312.821 ms * *
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感觉服务器没有回包的样子

服务器 --> 家里公网 IP traceroute:
1 * * *
2 * * *
3 xe-0-8-0-23.r00.lsanca07.us.bb.gin.ntt.net (129.250.207.189) 0.609 ms xe-0-1-0-35.r01.lsanca07.us.bb.gin.ntt.net (129.250.207.193) 0.541 ms xe-0-8-0-23.r00.lsanca07.us.bb.gin.ntt.net (129.250.207.189) 0.666 ms
4 ae-3.r00.lsanca07.us.bb.gin.ntt.net (129.250.5.28) 0.562 ms 0.481 ms 0.365 ms
5 218.30.54.177 (218.30.54.177) 2.413 ms 202.97.90.113 (202.97.90.113) 3.856 ms 218.30.54.105 (218.30.54.105) 2.437 ms
6 202.97.90.113 (202.97.90.113) 3.811 ms 202.97.52.153 (202.97.52.153) 153.390 ms 153.354 ms
7 * 202.97.52.153 (202.97.52.153) 153.271 ms 153.256 ms
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只是 ping 不通？

web 和 ssh 都不通