CrowdSupport®
Level 3: Gumshoe

International routing to China problem

I noticed that currently all connection to China service will be routed via the USA firstly, which used to be routed via Hongkong or Singapore.

 

That makes high latency and dropouts.

 

cn.aliyun.com
目标地址:106.11.249.99
1 192.168.50.1 12.37/12.43/12.48 局域网 * rt-ac86u-b370
2 58.162.26.78 23.51/23.57/23.63 澳大利亚 新南威尔士州 悉尼 telstra.com AS1221 gateway.nb14.sydney.asp.telstra.net
3 203.50.62.206 25.87/25.97/26.08 澳大利亚 新南威尔士州 悉尼 telstra.com AS1221
4 203.50.61.64 26.20/26.27/26.39 澳大利亚 新南威尔士州 悉尼 telstra.com AS1221 bundle-ether25.chw-core10.sydney.telstra.net
5 203.50.6.93 29.95/30.02/30.10 澳大利亚 新南威尔士州 悉尼 telstra.com AS1221 bundle-ether1.oxf-gw11.sydney.telstra.net
6 210.176.152.137 16.15/16.21/16.30 澳大利亚 新南威尔士州 悉尼 telstra.com AS1221 unknown.telstraglobal.net
7 * */*/* * *
8 * */*/* * *
9 * */*/* * *
10 * */*/* * *
11 65.119.103.17 225.24/225.36/225.47 美国 加利福尼亚州 帕洛阿尔托 centurylink.com AS209 pax-edge-03.inet.qwest.net
12 67.14.34.218 231.30/231.43/231.53 美国 加利福尼亚州 圣何塞 centurylink.com AS209 sjp-brdr-06.inet.qwest.net
13 63.146.27.86 244.18/244.27/244.43 美国 加利福尼亚州 圣何塞 centurylink.com AS209
14 219.158.116.233 426.31/426.46/426.60 中国 上海 联通 AS4837
15 219.158.113.122 413.91/414.02/414.11 中国 上海 联通 AS4837
16 219.158.113.113 409.01/421.63/421.68 中国 上海 联通 AS4837
17 * */*/* * *
18 139.226.230.146 397.43/397.55/397.66 中国 上海 联通 AS17621
19 140.206.207.78 404.40/404.51/404.57 中国 上海 联通 AS17621
20 42.120.241.26 408.37/421.06/421.21 中国 上海 阿里云/电信/联通/移动/铁通/教育网 AS37963
21 42.120.243.113 408.85/408.90/408.92 中国 上海 阿里云/电信/联通/移动/铁通/教育网 AS37963

 

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8 REPLIES 8
Highlighted
Level 3: Gumshoe

Re: International routing to China problem

Here is the connection to Hongkong, which via Singapore. Why the connection to China don't run this route? And I remember, there was used to a route direct to Hongkong, didn't need to via Singapore.

 

traceroute to hk6.cdn.globalnetworktraffic.com (210.6.9.47), 64 hops max, 52 byte packets
1 rt-ac86u-b370 (192.168.50.1) 1.463 ms 1.298 ms 1.265 ms
2 gateway.nb14.sydney.asp.telstra.net (58.162.26.78) 14.183 ms 12.445 ms 12.810 ms
3 203.50.62.222 (203.50.62.222) 14.288 ms 21.469 ms
203.50.62.206 (203.50.62.206) 16.935 ms
4 bundle-ether25.ken-core10.sydney.telstra.net (203.50.61.80) 14.181 ms 14.985 ms 14.886 ms
5 bundle-ether10.win-core10.melbourne.telstra.net (203.50.11.123) 27.559 ms 25.103 ms 26.087 ms
6 bundle-ether2.fli-core10.adelaide.telstra.net (203.50.6.228) 33.786 ms
bundle-ether2.way-core10.adelaide.telstra.net (203.50.6.230) 38.079 ms 39.584 ms
7 bundle-ether3.wel-core10.perth.telstra.net (203.50.6.233) 63.099 ms
bundle-ether3.pie-core10.perth.telstra.net (203.50.6.235) 66.047 ms
bundle-ether3.wel-core10.perth.telstra.net (203.50.6.233) 62.669 ms
8 203.50.9.2 (203.50.9.2) 68.305 ms
203.50.9.6 (203.50.9.6) 64.363 ms
203.50.9.2 (203.50.9.2) 65.380 ms
9 i-15053.sgpl-core02.telstraglobal.net (202.84.140.38) 116.467 ms 112.664 ms
i-25154.sgcn-core01.telstraglobal.net (202.84.141.237) 107.650 ms
10 i-15250.hkth-core02.telstraglobal.net (202.84.140.50) 142.557 ms
i-15251.hkth-core02.telstraglobal.net (202.84.141.110) 134.106 ms 133.709 ms
11 202.84.153.26 (202.84.153.26) 137.563 ms 133.608 ms
i-15251.hkth-core02.telstraglobal.net (202.84.141.110) 136.569 ms
12 unknown.telstraglobal.net (210.57.80.194) 133.958 ms 141.912 ms
202.84.153.26 (202.84.153.26) 154.402 ms
13 061244225066.ctinets.com (61.244.225.66) 142.964 ms 141.577 ms
unknown.telstraglobal.net (210.57.80.194) 137.115 ms
14 014199255038.ctinets.com (14.199.255.38) 142.289 ms 135.080 ms
014199254174.ctinets.com (14.199.254.174) 134.526 ms
15 * 014199254174.ctinets.com (14.199.254.174) 273.896 ms *
16 210006009047.ctinets.com (210.6.9.47) 135.394 ms * *

Highlighted
Level 3: Gumshoe

Re: International routing to China problem

Any Telstra staff here?

Highlighted
Level 3: Gumshoe

Re: International routing to China problem

I just can believe no Telstra technician showed up to answer this.

 

Tonight, I can't reach any Alibabacloud server, includes Chinese Aliyun Servers. I have to use a proxy to reroute to Japan to access those services. 

 

I am really disappointed. 

Highlighted
Level 2: Rookie

Re: International routing to China problem

Same problem for me. Couldn't open most website of China. 

But for 4G mobile network, all website of China are normal. NBN and 4G are using different routing?

Highlighted
Level 3: Gumshoe

Re: International routing to China problem


@Allenau wrote:

Same problem for me. Couldn't open most website of China. 

But for 4G mobile network, all website of China are normal. NBN and 4G are using different routing?


I think this may be caused by DNS and CDN malfunction.

NBN and 4G network DNS explain different IPs, which cause them used different routings.

 

I tried to use the Aussie Broadband tool https://lg.aussiebroadband.com.au/ to traceroute, it works perfectly.

Highlighted
Level 2: Rookie

Re: International routing to China problem

But I changed my router DNS to Google DNS (8.8.8.8 and 8.8.4.4), the problem still happen.

Highlighted
Level 3: Gumshoe

Re: International routing to China problem

It seems that Telstra uses different routing policies to NBN and 4G networks.

 

You can install a traceroute APP on your phone to find out the routing of 4G.

Highlighted
Level 3: Gumshoe

Re: International routing to China problem

It seems that Telstra uses different routing policies to NBN and 4G networks.


You can install a traceroute APP on your phone to find out the routing of 4G.

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