Duolingo
Duolingo Application
Application Information
The following page provides details on domains, networks, IPs, hosting services, and content delivery networks used by Duolingo.
Description
Duolingo offers courses in a wide variety of languages, including popular ones like Spanish, French, German, and Chinese, as well as less commonly studied languages like Irish, and Swahili, and High Valyrian.
Category | Career and Education |
Web Link | Duolingo - Home Page |
Network Intelligence
The network data shown here is also available via the Netify Data Feed API. We provide network intelligence to help deliver better digital experiences to end users and businesses.
Network Ranges
Duolingo does not have any defined network blocks. The application is distributed across the individial IP addresses summarized below.
Some applications are deployed across network blocks. Only networks that are dedicated to an application or platform are provided.
SaaS - Software-as-a-Service
Applications often use various third party platforms for providing authentication, advertisements, customer tracking, cybersecurity, e-mail services and more. The Software-as-a-Service (SaaS) platforms used by Duolingo are summarized below.
SaaS solutions are often deployed on multiple IPs across different geographical points-of-presence. In addition, it is common for these IP addresses to be shared by multiple applications. A sample IP is provided below.
SaaS | # of IPs |
---|---|
GitHub | 4 |
Salesforce | 5 |
Zendesk | 2 |
Service | Category | Sample IP | IP Count |
---|---|---|---|
GitHub | Technology | 185.199.108.153 | 4 IPs |
Salesforce | Advertiser | 3.92.120.28 | 5 IPs |
Zendesk | Business | 104.16.51.111 | 2 IPs |
Hosting
Hosting vendors like AWS and Microsoft Azure provide cloud-based computing and network resources to deliver applications. The hosting platforms used by Duolingo are summarized below by geographical points-of-presence (PoP).
Each PoP can host many IPs to deliver an application. A sample IP is provided.
Cloud Hosts | # of IPs |
---|---|
Amazon AWS | 232 |
Alibaba Cloud | 2 |
Hosting Platform | Network | PoP | Location | Sample IP | IPs |
---|---|---|---|---|---|
Alibaba Cloud | Alibaba Cloud | Core Network | China | 139.196.36.248 | 2 IPs |
Amazon AWS | Amazon AWS | US East (N. Virginia) | United States | 3.81.182.38 | 232 IPs |
Content Delivery Networks - CDNs
In order to get information to end users more quickly, many applications are distributed from multiple geographical points-of-presence (PoPs) using Content Delivery Networks (CDNs).
Each PoP can host many IPs to deliver an application. A sample IP is provided.
Take special note of CDNs that use Anycast technology. Anycast makes it possible to route a single IP address to a variety of different geographic locations. In other words, one global Anycast IP is hosted in multiple geographic locations.
CDNs | # of IPs |
---|---|
Amazon CloudFront | 2544 |
Alibaba CDN | 95 |
Fastly | 116 |
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