Yahoo
Yahoo Application
The following page provides details on domains, networks, IPs, hosting services, and content delivery networks used by Yahoo.
Description
Yahoo was one of the early pioneers of the web era of the Internet. The web site is a traditional portal that offers news, weather, sports, search, webmail, mapping and other general information.
| Category | Portal |
| Web Link | Yahoo - Home Page |
Application Domains
The application domains data shown here is available in our Netify Data Feeds solution. The data is accessible via our IP API as well as downloadable datasets.
Domains
Primary Domains
- yahoo.com
- yimg.com
- yahoodns.net
- oath.com
- yahoo.net
- js7k.com
- yahoosandbox.net
- and 35 more
Primary Domains are owned and managed by the application vendor.
Platform Domains are often provided by hosting providers, content delivery networks, SaaS platforms and other third parties. It is important to identify these domains for DNS filters and hostname blocklists.Platform Domains
 Akamai
|
{hidden}.akamaized.net | |
 Amazon AWS
|
{hidden}.us-east-1.elb.amazonaws.com | and 5 more |
 Cloudflare
|
{hidden}.cloudflare.net | and 1 more |
 Google Hosted
|
{hidden}.ampproject.org | and 13 more |
Network Ranges
- 27.123.32.0/19
- 27.123.192.0/20
- 45.181.42.0/24
- 46.228.32.0/20
- 63.250.192.0/19
- and 91 more
Some applications are deployed across network blocks. Only networks that are dedicated to an application are provided.
Yahoo Network
Some organizations deploy all or parts of an application solution through their own infrastructure instead of third party hosting providers like AWS or Google Cloud Platform. The following is a sample of active IP addresses on the Yahoo Network.
| ASN Description | ASN | Route | Location | IP | Shared |
|---|---|---|---|---|---|
| Yahoo INY Edge | AS23879 | 27.123.42.0/24 | India | 27.123.42.42 | |
| Yahoo Holdings | AS36647 | 63.250.204.0/23 | United States | 63.250.204.6 | |
| Yahoo Holdings | AS36647 | 63.250.207.0/24 | United States | 63.250.207.76 | |
| Yahoo Holdings | AS10310 | 66.196.64.0/22 | Germany | 66.196.65.6 | |
| Yahoo Holdings | AS10310 | 66.196.64.0/22 | Germany | 66.196.65.7 | |
| and 373 more | |||||
SaaS - Software-as-a-Service
Applications often use various third party platforms for providing authentication, advertising, cybersecurity, e-mail services and more. The Software-as-a-Service (SaaS) platforms used by Yahoo are summarized below.
| SaaS | # of IPs |
|---|---|
Epsilon
|
10 |
Human
|
825 |
Zeta Global
|
2 |
| Service | Category | Sample IP | IP Count |
|---|---|---|---|
|
Epsilon
|
Advertiser | 159.127.187.5 | 10 IPs |
|
Human
|
Cybersecurity | 54.244.12.205 | 825 IPs |
|
Zeta Global
|
Advertiser | 96.47.20.26 | 2 IPs |
Hosting
Cloud hosting vendors like AWS and Microsoft Azure provide cloud-based computing and network resources to deliver applications. The hosting platforms used by Yahoo are summarized below by geographical points-of-presence (PoP). Each PoP can host many IPs to deliver an application.
| Cloud Hosts | # of IPs |
|---|---|
|
Amazon AWS
|
673 |
Google Cloud Platform
|
2 |
|
Google Hosted
|
483 |
| Host | PoP | Location | IPs |
|---|---|---|---|
|
Google Cloud Platform
|
Anycast | Global | 2 IPs |
|
Amazon AWS
|
Singapore | Singapore | 60 IPs |
|
Amazon AWS
|
Columbus | United States | 20 IPs |
|
Amazon AWS
|
Ashburn | United States | 309 IPs |
|
Amazon AWS
|
Core | United States | 19 IPs |
|
Amazon AWS
|
Dublin | Ireland | 58 IPs |
|
Amazon AWS
|
Sydney | Australia | 7 IPs |
|
Amazon AWS
|
Boardman | United States | 200 IPs |
|
Google Hosted
|
Core | Finland | 13 IPs |
|
Google Hosted
|
Core | Singapore | 11 IPs |
|
Google Hosted
|
Core | United States | 73 IPs |
|
Google Hosted
|
Core | Chile | 8 IPs |
|
Google Hosted
|
Core | Taiwan | 7 IPs |
|
Google Hosted
|
Core | Netherlands | 10 IPs |
|
Google Hosted
|
Core | India | 41 IPs |
|
Google Hosted
|
Core | Hong Kong | 21 IPs |
|
Google Hosted
|
Core | Australia | 13 IPs |
|
Google Hosted
|
Core | Canada | 9 IPs |
|
Google Hosted
|
Core | Sweden | 12 IPs |
|
Google Hosted
|
Core | Israel | 5 IPs |
|
Google Hosted
|
Core | France | 29 IPs |
|
Google Hosted
|
Core | Brazil | 24 IPs |
|
Google Hosted
|
Core | Argentina | 13 IPs |
|
Google Hosted
|
Core | United Kingdom | 11 IPs |
|
Google Hosted
|
Core | Spain | 13 IPs |
|
Google Hosted
|
Core | Switzerland | 5 IPs |
|
Google Hosted
|
Core | Germany | 30 IPs |
|
Google Hosted
|
Core | Italy | 9 IPs |
|
Google Hosted
|
Core | Hungary | 11 IPs |
|
Google Hosted
|
Core | United Arab Emirates | 9 IPs |
|
Google Hosted
|
Core | Oman | 8 IPs |
|
Google Hosted
|
Core | Bulgaria | 18 IPs |
|
Google Hosted
|
Core | Poland | 7 IPs |
|
Google Hosted
|
Core | Malaysia | 11 IPs |
|
Google Hosted
|
Core | Japan | 20 IPs |
|
Google Hosted
|
Core | Belgium | 1 IP |
|
Google Hosted
|
Core | Thailand | 2 IPs |
|
Google Hosted
|
Core | Colombia | 8 IPs |
|
Google Hosted
|
Core | Mexico | 6 IPs |
|
Google Hosted
|
Core | Czechia | 4 IPs |
|
Google Hosted
|
Core | South Africa | 3 IPs |
|
Google Hosted
|
Johannesburg | South Africa | 2 IPs |
|
Google Hosted
|
Johannesburg | South Africa | 2 IPs |
|
Google Hosted
|
Core | Philippines | 4 IPs |
|
Google Hosted
|
Core | South Africa | 6 IPs |
|
Google Hosted
|
Core | Kenya | 2 IPs |
|
Google Hosted
|
Core | Nigeria | 2 IPs |
Content Delivery Network - Company CDN
Yahoo uses an in-house company content delivery network (CDN). The CDN delivers content to very edge of the network and is often hosted inside Internet Service Provider (ISP) networks.
| Edge CDN | # of IPs |
|---|---|
Yahoo CDN
|
251 |
| Network | PoP | Location | Category | Sample IP |
|---|---|---|---|---|
 Yahoo
|
Core Network | India | Portal | 27.123.42.200 |
|
Yahoo
|
Core Network | India | Portal | 27.123.42.201 |
|
Yahoo
|
Core Network | India | Portal | 27.123.42.204 |
|
Yahoo
|
Core Network | India | Portal | 27.123.42.205 |
|
Yahoo
|
Core Network | India | Portal | 27.123.43.200 |
|
Yahoo
|
Core Network | India | Portal | 27.123.43.201 |
|
Yahoo
|
Core Network | India | Portal | 27.123.43.204 |
|
Yahoo
|
Core Network | India | Portal | 27.123.43.205 |
|
Yahoo
|
Core Network | Mexico | Portal | 45.181.42.200 |
|
Yahoo
|
Core Network | Mexico | Portal | 45.181.42.201 |
|
Yahoo
|
Core Network | Mexico | Portal | 45.181.42.204 |
|
Yahoo
|
Core Network | Mexico | Portal | 45.181.42.205 |
|
Yahoo
|
Core Network | United States | Portal | 66.218.84.40 |
|
Yahoo
|
Core Network | United States | Portal | 66.218.84.41 |
|
Yahoo
|
Core Network | United States | Portal | 66.218.84.42 |
... and 236 more on the Yahoo CDN edge network.
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
|
4615 |
|
Cloudflare
|
9 |
Anycast
| CDN | Network | Location | Sample IP | IPs |
|---|---|---|---|---|
|
Cloudflare
|
Cloudflare
|
Global | 104.18.4.205 | 9 IPs |
PoP Locations
Other Locations
| CDN | Network | PoP | Location | IPs |
|---|---|---|---|---|
|
Amazon CloudFront
|
Amazon CloudFront
|
Core Network | United States | 12 IPs |
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