39.91.187.50
39.91.187.50 - IP Info
Detection Information
The following page provides details on applications, protocols, hostnames, network point-of-presence, and more. You can access the full data set via the Netify Data Feed API.
IP Stack Summary
Layer | Details | Category |
---|---|---|
Application |
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Social Media |
Platform |
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CDN |
Network |
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ISP/Telco |
Geo Cluster
Top countries connecting to 39.91.187.50:
AustraliaIP Info
IP Address | 39.91.187.50 | On the China Unicom Network |
Hostname | - | - |
Security Authority | download.ks-cdn.com | Associated with Kingsoft Cloud CDN |
Routing Info
ASN | AS4837 |
ASN Route | 39.64.0.0/11 |
ASN Label | China Unicom |
Category | ISP/Telco |
Organization |
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Location | China |
The ASN (Autonomous System Number) provides routing and location information for traffic flowing to this IP address.
Application
Douyin is created by the makers of TikTok. It is an iOS and Android social media video app for creating and sharing short lip-sync, comedy, and talent videos.
Some IP addresses can be shared across multiple applications, especially on content delivery networks (CDNs). However, it looks like 39.91.187.50 is dedicated to Douyin.
Platform

Kingsoft Cloud CDN is a Chinese-based content delivery network that helps customers deliver faster Internet experiences. The solution is powered by Kingsoft Cloud.
Most applications are built on top of third party platforms and infrastructure: cloud computing, content delivery networks, marketing engines, etc.
Network
China Unicom provides broadband communications, information services, mobile data services, and data and internet application services through its subsidiaries
China Unicom manages the underlying network for this corner of the Internet.
Notable Hostnames
- p6-dy-ipv6.byteimg.com
- p6-novel.byteimg.com
- p6-faceu-img-sign.byteimg.com
- and 10 more
The list of notable hostnames that were detected on this IP address come from not only DNS requests, but also HTTP headers, TLS certificates, DNS hinting, and other deep packet inspection methods.
Protocol Stats
The following is a sample of protocols that were detected on this IP address.
IP Protocol | Protocol | Port | Byte % | Flow % | Average Bytes / Flow |
TCP | HTTPS | 443 | 57.5 | 57.5 | 75,000 |
TCP | HTTP | 80 | 42.5 | 42.5 | 75,000 |
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