ClassLink Application

The following page provides details on domains, networks, IPs, hosting services, and content delivery networks used by ClassLink.

Description

ClassLink is a cloud-based educational technology platform that provides a single sign-on solution that allows users to access all of their digital resources with just one username and password.

Category	Business
Web Link	ClassLink - 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.

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Domains

Primary Domains

classlink.com

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

Salesforce

{hidden}.siteforce.com

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 ClassLink are summarized below.

SaaS	# of IPs
Salesforce	57

Service	Category	Sample IP	IP Count
Salesforce	Advertiser	54.233.205.11	57 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 ClassLink 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	139
Webflow	2

Host	PoP	Location	IPs
Webflow	Anycast	Global	2 IPs
Amazon AWS	Ashburn	United States	115 IPs
Amazon AWS	Mumbai	India	3 IPs
Amazon AWS	Dublin	Ireland	3 IPs
Amazon AWS	Stockholm	Sweden	3 IPs
Amazon AWS	Sydney	Australia	3 IPs
Amazon AWS	Milan	Italy	3 IPs
Amazon AWS	Sao Paulo	Brazil	3 IPs
Amazon AWS	Boardman	United States	3 IPs
Amazon AWS	Tokyo	Japan	3 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.

CDNs	# of IPs
Amazon CloudFront	3332

PoP Locations

CDN	Network	PoP	Location	IPs
Amazon CloudFront	Amazon CloudFront	Edge - Istanbul	Turkey	8 IPs
Amazon CloudFront	Amazon CloudFront	Edge - Dubai	United Arab Emirates	61 IPs
Amazon CloudFront	Amazon CloudFront	Edge - Buenos Aires	Argentina	57 IPs
Amazon CloudFront	Amazon CloudFront	Edge - Lisbon	Portugal	4 IPs
Amazon CloudFront	Amazon CloudFront	Edge - Frankfurt	Germany	60 IPs
Amazon CloudFront	Amazon CloudFront	Edge - Johannesburg	South Africa	59 IPs
Amazon CloudFront	Amazon CloudFront	Edge - Marseille	France	58 IPs
Amazon CloudFront	Amazon CloudFront	Edge - Milan	Italy	62 IPs
Amazon CloudFront	Amazon CloudFront	Edge - Madrid	Spain	32 IPs
Amazon CloudFront	Amazon CloudFront	Edge - Santiago de Queretaro	Mexico	36 IPs
Amazon CloudFront	Amazon CloudFront	Edge - Muscat	Oman	56 IPs
Amazon CloudFront	Amazon CloudFront	Edge - Vienna	Austria	55 IPs
Amazon CloudFront	Amazon CloudFront	Edge - Atlanta	United States	24 IPs
Amazon CloudFront	Amazon CloudFront	Edge - Montreal	Canada	54 IPs
Amazon CloudFront	Amazon CloudFront	Edge - Dallas	United States	56 IPs
Amazon CloudFront	Amazon CloudFront	Edge - Paris	France	60 IPs
Amazon CloudFront	Amazon CloudFront	Edge - Berlin	Germany	20 IPs
Amazon CloudFront	Amazon CloudFront	Edge - Ashburn	United States	20 IPs
Amazon CloudFront	Amazon CloudFront	Edge - Dublin	Ireland	56 IPs
Amazon CloudFront	Amazon CloudFront	Edge - Santiago	Chile	59 IPs
Amazon CloudFront	Amazon CloudFront	Edge - Sao Paulo	Brazil	55 IPs
Amazon CloudFront	Amazon CloudFront	Edge - Perth	Australia	47 IPs
Amazon CloudFront	Amazon CloudFront	Edge - Osaka	Japan	32 IPs
Amazon CloudFront	Amazon CloudFront	Edge - Kolkata	India	56 IPs
Amazon CloudFront	Amazon CloudFront	Edge - Cape Town	South Africa	58 IPs
Amazon CloudFront	Amazon CloudFront	Edge - Helsinki	Finland	55 IPs
Amazon CloudFront	Amazon CloudFront	Edge - Toronto	Canada	57 IPs
Amazon CloudFront	Amazon CloudFront	Edge - Tokyo	Japan	86 IPs
Amazon CloudFront	Amazon CloudFront	Edge - Stockholm	Sweden	65 IPs
Amazon CloudFront	Amazon CloudFront	Edge - Manila	Philippines	67 IPs
Amazon CloudFront	Amazon CloudFront	Edge - Singapore	Singapore	60 IPs
Amazon CloudFront	Amazon CloudFront	Edge - Zurich	Switzerland	53 IPs
Amazon CloudFront	Amazon CloudFront	Edge - Bangkok	Thailand	58 IPs
Amazon CloudFront	Amazon CloudFront	Edge - Kansas City	United States	56 IPs
Amazon CloudFront	Amazon CloudFront	Edge - Miami	United States	64 IPs
Amazon CloudFront	Amazon CloudFront	Edge - Chicago	United States	48 IPs
Amazon CloudFront	Amazon CloudFront	Edge - Los Angeles	United States	55 IPs
Amazon CloudFront	Amazon CloudFront	Edge - Seoul	South Korea	59 IPs
Amazon CloudFront	Amazon CloudFront	Edge - Taipei	Taiwan	58 IPs
Amazon CloudFront	Amazon CloudFront	Edge - Tel Aviv	Israel	61 IPs
Amazon CloudFront	Amazon CloudFront	Edge - New York	United States	52 IPs
Amazon CloudFront	Amazon CloudFront	Edge - Nairobi	Kenya	50 IPs
Amazon CloudFront	Amazon CloudFront	Edge - Hyderabad	India	59 IPs
Amazon CloudFront	Amazon CloudFront	Edge - Rio de Janeiro	Brazil	4 IPs
Amazon CloudFront	Amazon CloudFront	Edge - Copenhagen	Denmark	56 IPs
Amazon CloudFront	Amazon CloudFront	Edge - Chennai	India	64 IPs
Amazon CloudFront	Amazon CloudFront	Edge - Hong Kong	Hong Kong	46 IPs
Amazon CloudFront	Amazon CloudFront	Edge - London	United Kingdom	60 IPs
Amazon CloudFront	Amazon CloudFront	Edge - Newark	United States	8 IPs
Amazon CloudFront	Amazon CloudFront	Edge - Manama	Bahrain	60 IPs
Amazon CloudFront	Amazon CloudFront	Edge - Warsaw	Poland	59 IPs
Amazon CloudFront	Amazon CloudFront	Edge - Amsterdam	Netherlands	63 IPs
Amazon CloudFront	Amazon CloudFront	Edge - Kuala Lumpur	Malaysia	54 IPs
Amazon CloudFront	Amazon CloudFront	Edge - Melbourne	Australia	57 IPs
Amazon CloudFront	Amazon CloudFront	Edge - Sydney	Australia	58 IPs
Amazon CloudFront	Amazon CloudFront	Edge - Mumbai	India	12 IPs
Amazon CloudFront	Amazon CloudFront	Edge - New Delhi	India	59 IPs
Amazon CloudFront	Amazon CloudFront	Edge - Munich	Germany	59 IPs
Amazon CloudFront	Amazon CloudFront	Edge - Hamburg	Germany	20 IPs
Amazon CloudFront	Amazon CloudFront	Edge - San Francisco	United States	5 IPs
Amazon CloudFront	Amazon CloudFront	Edge - Denver	United States	9 IPs
Amazon CloudFront	Amazon CloudFront	Edge - Sofia	Bulgaria	52 IPs
Amazon CloudFront	Amazon CloudFront	Edge - Bucharest	Romania	8 IPs
Amazon CloudFront	Amazon CloudFront	Edge - Barcelona	Spain	52 IPs
Amazon CloudFront	Amazon CloudFront	Edge - Budapest	Hungary	57 IPs
Amazon CloudFront	Amazon CloudFront	Edge - Athens	Greece	44 IPs
Amazon CloudFront	Amazon CloudFront	Edge - Dusseldorf	Germany	4 IPs
Amazon CloudFront	Amazon CloudFront	Edge - Prague	Czechia	50 IPs
Amazon CloudFront	Amazon CloudFront	Edge - Zagreb	Croatia	48 IPs
Amazon CloudFront	Amazon CloudFront	Edge - Fortaleza	Brazil	56 IPs