CSDN Application
The following page provides details on domains, networks, IPs, hosting services, and content delivery networks used by CSDN.
What is CSDN?
CSDN - Reference
CSDN is a platform focused on providing software developers and IT workers with services such as knowledge, training and software development.
CSDN Domains
Primary Domains
Platform Domains
| Platform | Sample Domain | Details |
|---|---|---|
Alibaba CDN
|
{hidden}.cdngslb.com | and 1 more |
Huawei CDN
|
{hidden}.d9235b9f.c.cdnhwc1.com | |
Kingsoft Cloud CDN
|
{hidden}.download.ks-cdn.com | and 1 more |
Hosting
| SaaS | Sample IP | # of IPs |
|---|---|---|
China Telecom IDC
|
220.185.184.3 | 24 |
China Unicom
|
116.153.82.194 | 2 |
China Mobile
|
117.149.203.8 | 13 |
Huawei Cloud
|
120.46.42.117 | 26 |
Fly.io
|
149.248.211.216 | 1 |
To scale its compute capacity and optimize resources, CSDN leverages a multi-cloud architecture.
Content Delivery Networks - CDNs
Summary
| CDN | Sample IP | # of IPs |
|---|---|---|
|
Alibaba CDN
|
221.204.22.20 | 1375 |
|
Kingsoft Cloud CDN
|
125.89.169.6 | 21 |
EdgeNext
|
217.76.65.100 | 218 |
|
Huawei CDN
|
140.207.66.158 | 12 |
To get information to end users more quickly, many apps - including CSDN - use Content Delivery Networks (CDNs).
Network Map
PoP Locations
| CDN | Location | PoP | Network | # of IPs |
|---|---|---|---|---|
|
Huawei CDN
|
Shanghai | China |
China Unicom
|
12 |
|
Kingsoft Cloud CDN
|
Nanchang | China |
China Unicom
|
1 |
|
EdgeNext
|
Ulaanbaatar | Mongolia |
Unitel
|
2 |
|
EdgeNext
|
Hanoi | Vietnam |
VNPT
|
13 |
|
EdgeNext
|
Mumbai | India |
Zenlayer
|
2 |
|
EdgeNext
|
Los Angeles | United States |
EdgeNext
|
8 |
|
EdgeNext
|
Kasese | Uganda |
Airtel
|
3 |
|
Alibaba CDN
|
Changchun | China |
China Telecom IDC
|
9 |
|
Alibaba CDN
|
Wenzhou | China |
China Telecom IDC
|
8 |
|
Alibaba CDN
|
Fuzhou | China |
China Telecom IDC
|
8 |
|
Alibaba CDN
|
Jinjiang | China |
China Telecom IDC
|
8 |
|
Alibaba CDN
|
Qingdao | China |
China Telecom IDC
|
9 |
|
Alibaba CDN
|
Shangrao | China |
China Telecom IDC
|
8 |
|
Alibaba CDN
|
Fuzhou | China |
China Unicom
|
25 |
|
Alibaba CDN
|
Jinan | China |
China Unicom
|
1 |
|
Alibaba CDN
|
Chengdu | China |
China Unicom
|
9 |
|
Alibaba CDN
|
Nanchang | China |
China Unicom
|
1 |
|
Alibaba CDN
|
Xining | China |
China Unicom
|
8 |
|
Alibaba CDN
|
Qingdao | China |
China Unicom
|
8 |
|
Alibaba CDN
|
Shiyan | China |
China Unicom
|
8 |
|
Alibaba CDN
|
Zhengzhou | China |
China Unicom
|
1 |
|
Alibaba CDN
|
Ankang | China |
China Unicom
|
8 |
|
Alibaba CDN
|
Kunming | China |
China Unicom
|
8 |
|
Alibaba CDN
|
Taiyuan | China |
China Unicom
|
8 |
|
Alibaba CDN
|
Santiago | Chile |
Alibaba Cloud
|
10 |
|
Alibaba CDN
|
Melbourne | Australia |
Alibaba Cloud
|
8 |
|
Alibaba CDN
|
Milan | Italy |
Alibaba Cloud
|
8 |
|
Alibaba CDN
|
Paris | France |
Alibaba Cloud
|
16 |
|
Alibaba CDN
|
Sao Paulo | Brazil |
Alibaba Cloud
|
8 |
|
Alibaba CDN
|
Madrid | Spain |
Alibaba Cloud
|
8 |
|
Alibaba CDN
|
Hong Kong | Hong Kong |
Alibaba Cloud
|
8 |
|
Alibaba CDN
|
Singapore | Singapore |
Alibaba Cloud
|
24 |
|
Alibaba CDN
|
Cyberjaya | Malaysia |
Alibaba Cloud
|
8 |
|
Alibaba CDN
|
Bangkok | Thailand |
Alibaba Cloud
|
8 |
|
Alibaba CDN
|
Ho Chi Minh City | Vietnam |
Alibaba Cloud
|
8 |
|
Alibaba CDN
|
Frankfurt | Germany |
Alibaba Cloud
|
16 |
|
Alibaba CDN
|
Buenos Aires | Argentina |
Alibaba Cloud
|
8 |
|
Alibaba CDN
|
Dubai | United Arab Emirates |
Zenlayer
|
8 |
|
Alibaba CDN
|
Tokyo | Japan |
Zenlayer
|
8 |
|
Alibaba CDN
|
Hanoi | Vietnam |
Zenlayer
|
8 |
|
Alibaba CDN
|
Taipei | Taiwan |
Zenlayer
|
8 |
|
Alibaba CDN
|
Rio de Janeiro | Brazil |
Zenlayer
|
2 |
|
Alibaba CDN
|
Tianjin | China |
China Mobile
|
16 |
|
Alibaba CDN
|
Xi'an | China |
China Mobile
|
1 |
|
Alibaba CDN
|
Nanchang | China |
China Mobile
|
9 |
|
Alibaba CDN
|
Zhengzhou | China |
China Mobile
|
8 |
Other Locations
| CDN | Location | PoP | Network | # of IPs |
|---|---|---|---|---|
|
Kingsoft Cloud CDN
|
Core Network | China |
China Unicom
|
8 |
|
Kingsoft Cloud CDN
|
Core Network | Singapore |
Kaopu Cloud
|
3 |
|
Kingsoft Cloud CDN
|
Core Network | China |
China Telecom IDC
|
8 |
|
Kingsoft Cloud CDN
|
Core Network | China | ASN AS131516 | 1 |
|
EdgeNext
|
Core Network | Japan |
Zenlayer
|
3 |
|
EdgeNext
|
Core Network | United States |
Zenlayer
|
2 |
|
EdgeNext
|
Core Network | Macao | ASN AS4609 | 2 |
|
EdgeNext
|
Core Network | Malaysia |
Telekom Malaysia
|
4 |
|
EdgeNext
|
Core Network | Italy |
EdgeNext
|
2 |
|
EdgeNext
|
Core Network | Singapore |
EdgeNext
|
12 |
|
EdgeNext
|
Core Network | Thailand |
EdgeNext
|
5 |
|
EdgeNext
|
Core Network | Hong Kong |
EdgeNext
|
18 |
|
EdgeNext
|
Core Network | Japan |
EdgeNext
|
18 |
|
EdgeNext
|
Core Network | Brazil |
EdgeNext
|
6 |
|
EdgeNext
|
Core Network | Spain |
EdgeNext
|
17 |
|
EdgeNext
|
Core Network | United Arab Emirates |
EdgeNext
|
3 |
|
EdgeNext
|
Core Network | Saudi Arabia |
EdgeNext
|
9 |
|
EdgeNext
|
Core Network | Russia |
EdgeNext
|
3 |
|
EdgeNext
|
Core Network | France |
EdgeNext
|
11 |
|
EdgeNext
|
Core Network | South Africa |
EdgeNext
|
4 |
|
EdgeNext
|
Core Network | Pakistan |
EdgeNext
|
3 |
|
EdgeNext
|
Core Network | Nigeria |
EdgeNext
|
3 |
|
EdgeNext
|
Core Network | Kenya |
EdgeNext
|
7 |
|
EdgeNext
|
Core Network | Netherlands |
EdgeNext
|
8 |
|
EdgeNext
|
Core Network | Philippines |
EdgeNext
|
7 |
|
EdgeNext
|
Core Network | United States |
EdgeNext
|
15 |
|
EdgeNext
|
Core Network | Australia |
EdgeNext
|
1 |
|
EdgeNext
|
Core Network | Kuwait | ASN AS47589 | 4 |
|
EdgeNext
|
Core Network | Vietnam |
VNPT
|
4 |
|
EdgeNext
|
Core Network | Laos | ASN AS9873 | 4 |
|
EdgeNext
|
Core Network | Botswana | ASN AS14988 | 3 |
|
EdgeNext
|
Core Network | Cambodia | ASN AS38623 | 3 |
|
EdgeNext
|
Core Network | ASN AS9534 | 3 | |
|
EdgeNext
|
Core Network | Kazakhstan | ASN AS50482 | 4 |
|
EdgeNext
|
Core Network | ASN AS29555 | 2 | |
|
Alibaba CDN
|
Core Network | China |
China Telecom IDC
|
325 |
|
Alibaba CDN
|
Core Network | China |
China Mobile
|
214 |
|
Alibaba CDN
|
Core Network | South Korea |
Alibaba Cloud
|
8 |
|
Alibaba CDN
|
Core Network | Mexico |
Alibaba Cloud
|
10 |
|
Alibaba CDN
|
Core Network | Poland |
Alibaba Cloud
|
8 |
|
Alibaba CDN
|
Core Network | Switzerland |
Alibaba Cloud
|
8 |
|
Alibaba CDN
|
Core Network | Russia |
Alibaba Cloud
|
8 |
|
Alibaba CDN
|
Core Network | Singapore |
Alibaba Cloud
|
8 |
|
Alibaba CDN
|
Core Network | Pakistan |
Alibaba Cloud
|
8 |
|
Alibaba CDN
|
Core Network | Finland |
Alibaba Cloud
|
8 |
|
Alibaba CDN
|
Core Network | Hungary |
Alibaba Cloud
|
8 |
|
Alibaba CDN
|
Core Network | Netherlands |
Alibaba Cloud
|
8 |
|
Alibaba CDN
|
Core Network | United States |
Alibaba Cloud
|
14 |
|
Alibaba CDN
|
Core Network | Hong Kong |
Alibaba Cloud
|
16 |
|
Alibaba CDN
|
Core Network | Taiwan |
Alibaba Cloud
|
8 |
|
Alibaba CDN
|
Core Network | South Africa |
Alibaba Cloud
|
6 |
|
Alibaba CDN
|
Core Network | Sweden |
Alibaba Cloud
|
8 |
|
Alibaba CDN
|
Core Network | Peru |
Alibaba Cloud
|
10 |
|
Alibaba CDN
|
Core Network | United Kingdom |
Alibaba Cloud
|
8 |
|
Alibaba CDN
|
Core Network | Argentina |
Alibaba Cloud
|
2 |
|
Alibaba CDN
|
Core Network | Brazil |
Alibaba Cloud
|
2 |
|
Alibaba CDN
|
Core Network | China | ASN AS131565 | 8 |
|
Alibaba CDN
|
Core Network | China | ASN AS63701 | 8 |
|
Alibaba CDN
|
Core Network | China | ASN AS63621 | 8 |
|
Alibaba CDN
|
Core Network | China | ASN AS17429 | 8 |
|
Alibaba CDN
|
Core Network | China |
CERNET
|
54 |
|
Alibaba CDN
|
Core Network | China |
China Unicom
|
141 |
|
Alibaba CDN
|
Core Network | China | ASN AS63590 | 8 |
|
Alibaba CDN
|
Core Network | ASN AS63581 | 8 | |
|
Alibaba CDN
|
Core Network | China | ASN AS24139 | 24 |
|
Alibaba CDN
|
Core Network | China | ASN AS17962 | 8 |
|
Alibaba CDN
|
Core Network | China | ASN AS146838 | 8 |
|
Alibaba CDN
|
Core Network | China | ASN AS131562 | 8 |
|
Alibaba CDN
|
Core Network | ASN AS131536 | 16 | |
|
Alibaba CDN
|
Core Network | ASN AS7497 | 8 | |
|
Alibaba CDN
|
Core Network | China | ASN AS58834 | 8 |
|
Alibaba CDN
|
Core Network | China | ASN AS9812 | 5 |
|
Alibaba CDN
|
Core Network | ASN AS9812 | 11 |