IRS Application

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

What is IRS?

IRS - Government
The Internal Revenue Service (IRS) is a U.S. government agency responsible for the collection of taxes and enforcement of tax laws.

IRS Domains

Primary Domains

Platform Domains

Platform	Sample Domain	Details
Akamai	{hidden}.edgekey.net	and 2 more
Amazon AWS	{hidden}.us-gov-west-1.elb.amazonaws.com

Network Ranges

152.216.0.0/13
2610:30::/32

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

IRS 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 IRS Network.

Sample IP	ASN	ASN Description	Route	Location
152.216.7.80	AS30313	Internal Revenue Service	152.216.7.0/24	United States
152.216.7.87	AS30313	Internal Revenue Service	152.216.7.0/24	United States
152.216.7.102	AS30313	Internal Revenue Service	152.216.7.0/24	United States
152.216.7.110	AS30313	Internal Revenue Service	152.216.7.0/24	United States
152.216.7.165	AS30313	Internal Revenue Service	152.216.7.0/24	United States
... and 15 more

Core Networks

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

Network	IP	PoP	Category	Location
Oracle	2603:c0f1:c00:8622:1b80:7a6b:1fd5:a47f	Core Network	Business	United States
Oracle	155.248.13.78	Core Network	Business	United States

SaaS - Software-as-a-Service

SaaS	Sample IP	# of IPs
F5 Networks	107.162.163.129	8
Fiserv	204.194.122.117	44
LexisNexis Risk	192.225.157.128	3

IRS 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	56.136.173.202	45

IRS primarily uses Amazon AWS for its cloud hosting needs.

Content Delivery Networks - CDNs

Summary

CDN	Sample IP	# of IPs
Akamai	219.76.12.50	2381

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

Network Map

PoP Locations

CDN	Location	PoP	Network	# of IPs
Akamai	Frankfurt	Germany	Akamai	28
Akamai	Amsterdam	Netherlands	Akamai	9
Akamai	Vienna	Austria	Akamai	17
Akamai	Athens	Greece	Akamai	7
Akamai	London	United Kingdom	Akamai	19
Akamai	Fujairah	United Arab Emirates	Akamai	11
Akamai	Sao Paulo	Brazil	Akamai	14
Akamai	Curitiba	Brazil	Akamai	4
Akamai	Cape Town	South Africa	Akamai	4
Akamai	Paris	France	Akamai	18
Akamai	Mombasa	Kenya	Akamai	6
Akamai	Brussels	Belgium	Akamai	4
Akamai	Ashburn	United States	Akamai	355
Akamai	Lisbon	Portugal	Akamai	12
Akamai	Dusseldorf	Germany	Akamai	6
Akamai	Seattle	United States	Akamai	131
Akamai	Dublin	Ireland	Akamai	4
Akamai	Stockholm	Sweden	Akamai	14
Akamai	Johannesburg	South Africa	Akamai	6
Akamai	Sofia	Bulgaria	Akamai	4
Akamai	Bogota	Colombia	Akamai	4
Akamai	Istanbul	Turkey	Akamai	7
Akamai	Porto Alegre	Brazil	Akamai	4
Akamai	Barcelona	Spain	Akamai	8
Akamai	Palermo	Italy	Akamai	3
Akamai	Mount Prospect	United States	Akamai	25
Akamai	Manchester	United Kingdom	Akamai	2
Akamai	Glattbrugg	Switzerland	Akamai	4
Akamai	Buenos Aires	Argentina	Akamai	6
Akamai	Atlanta	United States	Akamai	37
Akamai	Los Angeles	United States	Akamai	154
Akamai	Sydney	Australia	Akamai	5
Akamai	Dallas	United States	Akamai	50
Akamai	Mexico City	Mexico	Akamai	1
Akamai	Boston	United States	Akamai	45
Akamai	Chicago	United States	Akamai	98
Akamai	Bengaluru	India	Akamai	7
Akamai	Miami	United States	Akamai	311
Akamai	Fortaleza	Brazil	Akamai	4
Akamai	Honolulu	United States	Akamai	11
Akamai	Hong Kong	Hong Kong	Akamai	25
Akamai	Singapore	Singapore	Akamai	32
Akamai	New York	United States	Akamai	94
Akamai	Oslo	Norway	Akamai	4
Akamai	Tempe	United States	Akamai	1
Akamai	Tokyo	Japan	Akamai	18
Akamai	Schiphol	Netherlands	Akamai	1
Akamai	Helsinki	Finland	Akamai	1
Akamai	Melbourne	Australia	Akamai	12
Akamai	Secaucus	United States	Akamai	182
Akamai	Santa Clara	United States	Akamai	43
Akamai	Rio de Janeiro	Brazil	Akamai	3
Akamai	Brisbane	Australia	Akamai	3
Akamai	Kuala Lumpur	Malaysia	Akamai	7
Akamai	Lithia Springs	United States	Akamai	22
Akamai	Philadelphia	United States	Akamai	7
Akamai	Marseille	France	Akamai	4
Akamai	Mumbai	India	Akamai	20
Akamai	Houston	United States	Akamai	30
Akamai	San Jose	United States	Akamai	106
Akamai	Berlin	Germany	Akamai	3
Akamai	McAllen	United States	Akamai	20
Akamai	New Delhi	India	Akamai	10
Akamai	Englewood	United States	Akamai	17
Akamai	Irving	United States	Akamai	17
Akamai	Seoul	South Korea	Akamai	12
Akamai	Copenhagen	Denmark	Akamai	5
Akamai	Marietta	United States	Akamai	10
Akamai	Cyberjaya	Malaysia	Akamai	4
Akamai	Chennai	India	Akamai	8
Akamai	Santiago de Queretaro	Mexico	Akamai	12
Akamai	Minneapolis	United States	Akamai	2
Akamai	Hanoi	Vietnam	Akamai	4
Akamai	Santiago	Chile	Akamai	6
Akamai	Madrid	Spain	Akamai	10
Akamai	Prague	Czechia	Akamai	8
Akamai	Warsaw	Poland	Akamai	7
Akamai	Milan	Italy	Akamai	9
Akamai	Rome	Italy	Akamai	4
Akamai	Tel Aviv	Israel	Akamai	4
Akamai	Bucharest	Romania	Akamai	8
Akamai	Munich	Germany	Akamai	7
Akamai	Dubai	United Arab Emirates	Akamai	6
Akamai	Surabaya	Indonesia	Akamai	1
Akamai	Toronto	Canada	Akamai	13
Akamai	Bangkok	Thailand	Akamai	4
Akamai	Recife	Brazil	Akamai	4
Akamai	Florianopolis	Brazil	Akamai	4
Akamai	Vancouver	Canada	Akamai	4
Akamai	Lima	Peru	Akamai	4
Akamai	Montreal	Canada	Akamai	2
Akamai	Kolkata	India	Akamai	2
Akamai	Auckland	New Zealand	Akamai	2
Akamai	Taipei	Taiwan	Akamai	2
Akamai	Brasilia	Brazil	Akamai	2
Akamai	Riga	Latvia	RETN	6
Akamai	Amman	Jordan	Omantel	4
Akamai	Manila	Philippines	Sky	4
Akamai	Hanoi	Vietnam	VNPT	4
Akamai	Ho Chi Minh City	Vietnam	VNPT	2
Akamai	Taipei	Taiwan	Chunghwa Telecom	6
Akamai	Helsinki	Finland	Arelion	4
Akamai	Manila	Philippines	Converge ICT	2
Akamai	Bangkok	Thailand	AIS	2

Other Locations

CDN	Location	PoP	Network	# of IPs
Akamai	Core Network	Thailand	AIS	2
Akamai	Core Network	Sweden	Arelion	1
Akamai	Core Network	Finland	Arelion	2
Akamai	Core Network	Israel	ASN AS12400	4
Akamai	Core Network	Greece	Sparkle	3
Akamai	Core Network	Italy	Sparkle	2
Akamai	Core Network	Denmark	ASN AS3292	2
Akamai	Core Network	India	ASN AS9829	2
Akamai	Core Network	Thailand	ASN AS4651	4
Akamai	Core Network	Philippines	Converge ICT	2
Akamai	Core Network	Qatar	ASN AS200612	2
Akamai	Core Network	Switzerland	Swisscom	4
Akamai	Core Network	South Africa	Dimension Data	2
Akamai	Core Network	Uruguay	ASN AS6057	2
Akamai	Core Network	Hong Kong	ASN AS4760	2