Zscaler Application

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

What is Zscaler?

Zscaler - VPN and Proxy
Zscaler is enabling secure digital transformation by rethinking traditional network security, and empowering enterprises to securely work from anywhere.

Zscaler Domains

Primary Domains

Platform Domains

Platform	Sample Domain	Details
AWS Global Accelerator	{hidden}.dualstack.awsglobalaccelerator.com
Adobe Marketo	{hidden}.mktoweb.com
Amazon AWS	{hidden}.us-west-2.elb.amazonaws.com	and 57 more
Cloudflare	{hidden}.cloudflare.net	and 3 more
Salesforce	{hidden}.siteforce.com
Skilljar	{hidden}.skilljarapp.com

Network Ranges

8.25.203.0/24
8.34.34.0/24
8.35.35.0/24
64.62.169.0/24
64.215.22.0/24
and 201 more

Zscaler uses dedicated network blocks. This application dataset includes only those network ranges exclusively assigned to this service.

Zscaler 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 Zscaler Network.

Sample IP	ASN	ASN Description	Route	Location
2a03:eec0:1211::128	AS62044	Zscaler Switzerland	2a03:eec0:1200::/40	Netherlands
2a03:eec0:1211::24	AS62044	Zscaler Switzerland	2a03:eec0:1200::/40	Netherlands
2a03:eec0:1211::22	AS62044	Zscaler Switzerland	2a03:eec0:1200::/40	Netherlands
2a03:eec0:1211::23	AS62044	Zscaler Switzerland	2a03:eec0:1200::/40	Netherlands
2a03:eec0:1211::21	AS62044	Zscaler Switzerland	2a03:eec0:1200::/40	Netherlands
... and 20065 more

Core Networks

Applications are sometimes deployed on partner networks, parent company networks, or regional hosting providers. The following is a sample of Zscaler IP addresses deployed on this type of network.

Network	IP	PoP	Category	Location
DigiCert	208.80.124.4	Anycast	Cybersecurity	Global
DigiCert	208.80.125.4	Anycast	Cybersecurity	Global
DigiCert	208.80.126.4	Anycast	Cybersecurity	Global
DigiCert	208.80.127.4	Anycast	Cybersecurity	Global
DigiCert	208.94.148.4	Anycast	Cybersecurity	Global
... and and 7 more more

SaaS - Software-as-a-Service

SaaS	Sample IP	# of IPs
Adobe Marketo	104.17.70.206	5
Outreach	52.25.93.53	3
Salesforce	54.233.205.11	63

Zscaler use the third-party SaaS platforms shown here. These services typically manage authentication, advertising, cybersecurity, e-mail services and more.

Hosting

SaaS	Sample IP	# of IPs
Amazon AWS	170.85.48.14	939
AWS Global Accelerator	3.33.179.166	6
China Telecom IDC	58.220.95.9	28
Zenlayer	103.215.126.10	452

To scale its compute capacity and optimize resources, Zscaler leverages a multi-cloud architecture.

Content Delivery Networks - CDNs

Summary

CDN	Sample IP	# of IPs
Amazon CloudFront	108.159.91.9	15810
Cloudflare	104.16.106.95	14

To get information to end users more quickly, many apps - including Zscaler - use Content Delivery Networks (CDNs).

Anycast

CDN	Sample IP	# of IPs
Amazon CloudFront		61
Cloudflare	104.16.106.95	14

Network Map

PoP Locations

CDN	Location	PoP	Network	# of IPs
Amazon CloudFront	Berlin	Germany	Amazon CloudFront	23
Amazon CloudFront	Istanbul	Turkey	Amazon CloudFront	28
Amazon CloudFront	Dubai	United Arab Emirates	Amazon CloudFront	210
Amazon CloudFront	Buenos Aires	Argentina	Amazon CloudFront	218
Amazon CloudFront	Lisbon	Portugal	Amazon CloudFront	241
Amazon CloudFront	Johannesburg	South Africa	Amazon CloudFront	485
Amazon CloudFront	Marseille	France	Amazon CloudFront	408
Amazon CloudFront	Milan	Italy	Amazon CloudFront	227
Amazon CloudFront	Bucharest	Romania	Amazon CloudFront	105
Amazon CloudFront	Santiago de Queretaro	Mexico	Amazon CloudFront	171
Amazon CloudFront	Muscat	Oman	Amazon CloudFront	141
Amazon CloudFront	Vienna	Austria	Amazon CloudFront	298
Amazon CloudFront	Atlanta	United States	Amazon CloudFront	120
Amazon CloudFront	Montreal	Canada	Amazon CloudFront	359
Amazon CloudFront	Manchester	United Kingdom	Amazon CloudFront	175
Amazon CloudFront	Ho Chi Minh City	Vietnam	Amazon CloudFront	178
Amazon CloudFront	Dublin	Ireland	Amazon CloudFront	28
Amazon CloudFront	Chicago	United States	Amazon CloudFront	307
Amazon CloudFront	Santiago	Chile	Amazon CloudFront	198
Amazon CloudFront	Sao Paulo	Brazil	Amazon CloudFront	216
Amazon CloudFront	Bogota	Colombia	Amazon CloudFront	142
Amazon CloudFront	Los Angeles	United States	Amazon CloudFront	156
Amazon CloudFront	Cape Town	South Africa	Amazon CloudFront	73
Amazon CloudFront	Toronto	Canada	Amazon CloudFront	277
Amazon CloudFront	Tokyo	Japan	Amazon CloudFront	237
Amazon CloudFront	Paris	France	Amazon CloudFront	325
Amazon CloudFront	Nairobi	Kenya	Amazon CloudFront	231
Amazon CloudFront	Helsinki	Finland	Amazon CloudFront	493
Amazon CloudFront	Stockholm	Sweden	Amazon CloudFront	275
Amazon CloudFront	Calgary	Canada	Amazon CloudFront	4
Amazon CloudFront	Manila	Philippines	Amazon CloudFront	99
Amazon CloudFront	Zurich	Switzerland	Amazon CloudFront	219
Amazon CloudFront	Bangkok	Thailand	Amazon CloudFront	183
Amazon CloudFront	London	United Kingdom	Amazon CloudFront	421
Amazon CloudFront	Kansas City	United States	Amazon CloudFront	119
Amazon CloudFront	Miami	United States	Amazon CloudFront	647
Amazon CloudFront	Philadelphia	United States	Amazon CloudFront	96
Amazon CloudFront	Ashburn	United States	Amazon CloudFront	187
Amazon CloudFront	Frankfurt	Germany	Amazon CloudFront	792
Amazon CloudFront	Dallas	United States	Amazon CloudFront	111
Amazon CloudFront	New York	United States	Amazon CloudFront	127
Amazon CloudFront	San Francisco	United States	Amazon CloudFront	48
Amazon CloudFront	Seoul	South Korea	Amazon CloudFront	201
Amazon CloudFront	Taipei	Taiwan	Amazon CloudFront	93
Amazon CloudFront	Tel Aviv	Israel	Amazon CloudFront	88
Amazon CloudFront	Portland	United States	Amazon CloudFront	41
Amazon CloudFront	Singapore	Singapore	Amazon CloudFront	209
Amazon CloudFront	Amsterdam	Netherlands	Amazon CloudFront	389
Amazon CloudFront	Copenhagen	Denmark	Amazon CloudFront	72
Amazon CloudFront	Fortaleza	Brazil	Amazon CloudFront	163
Amazon CloudFront	Rio de Janeiro	Brazil	Amazon CloudFront	111
Amazon CloudFront	Hamburg	Germany	Amazon CloudFront	28
Amazon CloudFront	Madrid	Spain	Amazon CloudFront	283
Amazon CloudFront	Warsaw	Poland	Amazon CloudFront	240
Amazon CloudFront	Lima	Peru	Amazon CloudFront	126
Amazon CloudFront	Vancouver	Canada	Amazon CloudFront	104
Amazon CloudFront	Sydney	Australia	Amazon CloudFront	9
Amazon CloudFront	Jeddah	Saudi Arabia	Amazon CloudFront	4
Amazon CloudFront	Cairo	Egypt	Amazon CloudFront	108
Amazon CloudFront	Hong Kong	Hong Kong	Amazon CloudFront	477
Amazon CloudFront	Boston	United States	Amazon CloudFront	16
Amazon CloudFront	Kolkata	India	Amazon CloudFront	63
Amazon CloudFront	New Delhi	India	Amazon CloudFront	63
Amazon CloudFront	Melbourne	Australia	Amazon CloudFront	202
Amazon CloudFront	Athens	Greece	Amazon CloudFront	171
Amazon CloudFront	Mumbai	India	Amazon CloudFront	211
Amazon CloudFront	Brussels	Belgium	Amazon CloudFront	189
Amazon CloudFront	Dusseldorf	Germany	Amazon CloudFront	113
Amazon CloudFront	Hanoi	Vietnam	Amazon CloudFront	114
Amazon CloudFront	Prague	Czechia	Amazon CloudFront	121
Amazon CloudFront	Kuala Lumpur	Malaysia	Amazon CloudFront	174
Amazon CloudFront	Munich	Germany	Amazon CloudFront	51
Amazon CloudFront	Chennai	India	Amazon CloudFront	251
Amazon CloudFront	Rome	Italy	Amazon CloudFront	12
Amazon CloudFront	Phoenix	United States	Amazon CloudFront	20
Amazon CloudFront	Brisbane	Australia	Amazon CloudFront	90
Amazon CloudFront	Sofia	Bulgaria	Amazon CloudFront	436
Amazon CloudFront	Manama	Bahrain	Amazon CloudFront	99
Amazon CloudFront	Barcelona	Spain	Amazon CloudFront	224
Amazon CloudFront	Budapest	Hungary	Amazon CloudFront	373
Amazon CloudFront	Seattle	United States	Amazon CloudFront	29
Amazon CloudFront	Oslo	Norway	Amazon CloudFront	39
Amazon CloudFront	Newark	United States	Amazon CloudFront	4
Amazon CloudFront	Zagreb	Croatia	Amazon CloudFront	263
Amazon CloudFront	Denver	United States	Amazon CloudFront	4
Amazon CloudFront	Minneapolis	United States	Amazon CloudFront	4
Amazon CloudFront	Bengaluru	India	Amazon CloudFront	20
Amazon CloudFront	Lagos	Nigeria	Amazon CloudFront	155
Amazon CloudFront	Pune	India	Amazon CloudFront	4
Amazon CloudFront	Hyderabad	India	Amazon CloudFront	8

Other Locations

CDN	Location	PoP	Network	# of IPs
Amazon CloudFront	Core Network	United States	Amazon CloudFront	82