为什么 DigitalOcean 的 VPS 经常连不上？

自己在 DigitalOcean 上租了一个 VPS ，但是经常连不上，以下是自己问客服的原文

here is my traceroute
[lengchenyu@bogon DOP] $ traceroute 198.199.106.197
traceroute to 198.199.106.197 (198.199.106.197), 30 hops max, 60 byte packets
1 vrouter.doplatform.com (192.168.18.1) 5.104 ms 7.617 ms 55.297 ms
2 112.94.188.1 (112.94.188.1) 56.735 ms 59.991 ms 60.761 ms
3 120.80.175.221 (120.80.175.221) 62.507 ms 64.670 ms 65.513 ms
4 120.80.0.157 (120.80.0.157) 65.942 ms 66.869 ms 67.754 ms
5 219.158.19.5 (219.158.19.5) 73.392 ms 73.541 ms 75.949 ms
6 * * *
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[lengchenyu@bogon DOP] $ traceroute 198.199.106.197
traceroute to 198.199.106.197 (198.199.106.197), 30 hops max, 60 byte packets
1 vrouter.doplatform.com (192.168.18.1) 12.111 ms 12.750 ms 13.497 ms
2 112.94.188.1 (112.94.188.1) 21.268 ms 23.492 ms 26.033 ms
3 120.80.175.221 (120.80.175.221) 33.924 ms 35.097 ms 37.011 ms
4 120.80.0.157 (120.80.0.157) 40.209 ms 42.215 ms 49.405 ms
5 219.158.19.5 (219.158.19.5) 46.911 ms 47.813 ms 49.313 ms
6 219.158.11.158 (219.158.11.158) 49.336 ms * 8.859 ms
7 219.158.97.18 (219.158.97.18) 20.905 ms 23.828 ms *
8 219.158.102.194 (219.158.102.194) 195.418 ms 200.301 ms 255.047 ms
9 sjo-b21-link.telia.net (213.248.73.189) 204.552 ms 206.556 ms 252.145 ms
10 digitalocean-ic-302451-sjo-b21.c.telia.net (62.115.34.18) 253.791 ms 254.960 ms 254.949 ms
11 198.199.99.234 (198.199.99.234) 254.950 ms 198.199.99.238 (198.199.99.238) 254.911 ms 198.199.99.234 (198.199.99.234) 246.313 ms
12 198.199.106.197 (198.199.106.197) 234.245 ms 231.283 ms 166.880 ms

at the begin i try manytime i can't connect ,but now i can connect , I don't know why?

然后这是客服的回答
Thank you for contacting us regarding this issue. It's not clear exactly why the routes were restricted at the ChinaUnicom-BACKBONE hop. Have you reached out to your ISP on this specifically? I'm not seeing any general issues on the hypervisor for the droplet, but that would also display as the final hop not responding, and not cascade from midway. If you have any further questions or concerns, please don't hesitate to let us know.

使用公司的网络，请问如何解决这个问题？