Yahoo Application

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

What is Yahoo?

Yahoo - Portal
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.

Yahoo Domains

Primary Domains

Platform Domains

Platform	Sample Domain	Details
Akamai	{hidden}.akamaized.net
Amazon AWS	{hidden}.us-east-1.elb.amazonaws.com	and 7 more
Cloudflare	{hidden}.cloudflare.net	and 1 more
Google Hosted	{hidden}.ampproject.org	and 13 more
Zeta Global	{hidden}.bm16.maas.zetaglobal.net	and 1 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 90 more

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

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.

Sample IP	ASN	ASN Description	Route	Location
2a00:1288:84:803::4000	AS203219	Yahoo UK	2a00:1288:84::/48	Netherlands
2a00:1288:84:802::4000	AS203219	Yahoo UK	2a00:1288:84::/48	Netherlands
2a00:1288:7c:800::6001	AS43428	Yahoo UK	2a00:1288:7c::/48	United Kingdom
2a00:1288:84:801::4000	AS203219	Yahoo UK	2a00:1288:84::/48	Netherlands
2a00:1288:7c:800::6000	AS43428	Yahoo UK	2a00:1288:7c::/48	United Kingdom
... and 305 more

SaaS - Software-as-a-Service

SaaS	Sample IP	# of IPs
Epsilon	159.127.187.5	10
Human	18.201.24.206	989
Zeta Global	96.47.20.26	2

Yahoo 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	108.132.22.114	726
AWS Global Accelerator	13.248.158.7	2
Google Cloud Platform	34.8.247.119	4
Google Hosted	192.178.52.193	300

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

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	IPs
Yahoo CDN	274

Network	PoP	Location	Category	Sample IP
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	45.181.42.204
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
Yahoo	Core Network	United States	Portal	66.218.84.43
Yahoo	Core Network	United States	Portal	66.218.84.44
Yahoo	Core Network	United States	Portal	66.218.84.45
Yahoo	Core Network	United States	Portal	68.180.135.251

... and 259 more on the Yahoo CDN edge network.

Content Delivery Networks - CDNs

Summary

CDN	Sample IP	# of IPs
Amazon CloudFront	65.9.187.102	3097
Cloudflare	104.18.18.9	10

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

Anycast

CDN	Sample IP	# of IPs
Cloudflare	104.18.18.9	10
Amazon CloudFront	3.161.44.6	88

Network Map

PoP Locations

CDN	Location	PoP	Network	# of IPs
Amazon CloudFront	Dubai	United Arab Emirates	Amazon CloudFront	15
Amazon CloudFront	Buenos Aires	Argentina	Amazon CloudFront	40
Amazon CloudFront	Lisbon	Portugal	Amazon CloudFront	53
Amazon CloudFront	Johannesburg	South Africa	Amazon CloudFront	38
Amazon CloudFront	Marseille	France	Amazon CloudFront	54
Amazon CloudFront	Milan	Italy	Amazon CloudFront	52
Amazon CloudFront	Santiago de Queretaro	Mexico	Amazon CloudFront	48
Amazon CloudFront	Frankfurt	Germany	Amazon CloudFront	55
Amazon CloudFront	Muscat	Oman	Amazon CloudFront	35
Amazon CloudFront	Vienna	Austria	Amazon CloudFront	53
Amazon CloudFront	Montreal	Canada	Amazon CloudFront	55
Amazon CloudFront	Dallas	United States	Amazon CloudFront	12
Amazon CloudFront	Manchester	United Kingdom	Amazon CloudFront	57
Amazon CloudFront	Paris	France	Amazon CloudFront	61
Amazon CloudFront	Ho Chi Minh City	Vietnam	Amazon CloudFront	36
Amazon CloudFront	Ashburn	United States	Amazon CloudFront	56
Amazon CloudFront	Dublin	Ireland	Amazon CloudFront	16
Amazon CloudFront	Chicago	United States	Amazon CloudFront	36
Amazon CloudFront	Santiago	Chile	Amazon CloudFront	38
Amazon CloudFront	Sao Paulo	Brazil	Amazon CloudFront	28
Amazon CloudFront	Atlanta	United States	Amazon CloudFront	41
Amazon CloudFront	Los Angeles	United States	Amazon CloudFront	53
Amazon CloudFront	Seattle	United States	Amazon CloudFront	21
Amazon CloudFront	Osaka	Japan	Amazon CloudFront	39
Amazon CloudFront	Toronto	Canada	Amazon CloudFront	55
Amazon CloudFront	Tokyo	Japan	Amazon CloudFront	40
Amazon CloudFront	Nairobi	Kenya	Amazon CloudFront	35
Amazon CloudFront	Helsinki	Finland	Amazon CloudFront	57
Amazon CloudFront	Stockholm	Sweden	Amazon CloudFront	51
Amazon CloudFront	Calgary	Canada	Amazon CloudFront	1
Amazon CloudFront	Manila	Philippines	Amazon CloudFront	40
Amazon CloudFront	Singapore	Singapore	Amazon CloudFront	44
Amazon CloudFront	Zurich	Switzerland	Amazon CloudFront	57
Amazon CloudFront	Kansas City	United States	Amazon CloudFront	45
Amazon CloudFront	Miami	United States	Amazon CloudFront	43
Amazon CloudFront	New York	United States	Amazon CloudFront	47
Amazon CloudFront	Seoul	South Korea	Amazon CloudFront	40
Amazon CloudFront	Berlin	Germany	Amazon CloudFront	14
Amazon CloudFront	Istanbul	Turkey	Amazon CloudFront	8
Amazon CloudFront	Taipei	Taiwan	Amazon CloudFront	24
Amazon CloudFront	Tel Aviv	Israel	Amazon CloudFront	22
Amazon CloudFront	Portland	United States	Amazon CloudFront	16
Amazon CloudFront	San Francisco	United States	Amazon CloudFront	58
Amazon CloudFront	Houston	United States	Amazon CloudFront	9
Amazon CloudFront	Columbus	United States	Amazon CloudFront	1
Amazon CloudFront	Amsterdam	Netherlands	Amazon CloudFront	57
Amazon CloudFront	Copenhagen	Denmark	Amazon CloudFront	16
Amazon CloudFront	Fortaleza	Brazil	Amazon CloudFront	40
Amazon CloudFront	Hamburg	Germany	Amazon CloudFront	31
Amazon CloudFront	Madrid	Spain	Amazon CloudFront	53
Amazon CloudFront	Warsaw	Poland	Amazon CloudFront	26
Amazon CloudFront	Bogota	Colombia	Amazon CloudFront	39
Amazon CloudFront	Vancouver	Canada	Amazon CloudFront	51
Amazon CloudFront	Perth	Australia	Amazon CloudFront	5
Amazon CloudFront	Sydney	Australia	Amazon CloudFront	17
Amazon CloudFront	Cairo	Egypt	Amazon CloudFront	40
Amazon CloudFront	Hong Kong	Hong Kong	Amazon CloudFront	35
Amazon CloudFront	Budapest	Hungary	Amazon CloudFront	54
Amazon CloudFront	Boston	United States	Amazon CloudFront	20
Amazon CloudFront	Rio de Janeiro	Brazil	Amazon CloudFront	23
Amazon CloudFront	London	United Kingdom	Amazon CloudFront	60
Amazon CloudFront	New Delhi	India	Amazon CloudFront	16
Amazon CloudFront	Melbourne	Australia	Amazon CloudFront	33
Amazon CloudFront	Athens	Greece	Amazon CloudFront	50
Amazon CloudFront	Brussels	Belgium	Amazon CloudFront	53
Amazon CloudFront	Bangkok	Thailand	Amazon CloudFront	36
Amazon CloudFront	Dusseldorf	Germany	Amazon CloudFront	22
Amazon CloudFront	Denver	United States	Amazon CloudFront	5
Amazon CloudFront	Hanoi	Vietnam	Amazon CloudFront	19
Amazon CloudFront	Prague	Czechia	Amazon CloudFront	31
Amazon CloudFront	Mumbai	India	Amazon CloudFront	32
Amazon CloudFront	Kuala Lumpur	Malaysia	Amazon CloudFront	39
Amazon CloudFront	Lagos	Nigeria	Amazon CloudFront	35
Amazon CloudFront	Nashville	United States	Amazon CloudFront	4
Amazon CloudFront	Munich	Germany	Amazon CloudFront	32
Amazon CloudFront	Chennai	India	Amazon CloudFront	38
Amazon CloudFront	Rome	Italy	Amazon CloudFront	8
Amazon CloudFront	Phoenix	United States	Amazon CloudFront	16
Amazon CloudFront	Brisbane	Australia	Amazon CloudFront	34
Amazon CloudFront	Bengaluru	India	Amazon CloudFront	8
Amazon CloudFront	Pittsburgh	United States	Amazon CloudFront	11
Amazon CloudFront	Sofia	Bulgaria	Amazon CloudFront	49
Amazon CloudFront	Barcelona	Spain	Amazon CloudFront	46
Amazon CloudFront	Doha	Qatar	Amazon CloudFront	4
Amazon CloudFront	Salt Lake City	United States	Amazon CloudFront	5
Amazon CloudFront	Philadelphia	United States	Amazon CloudFront	4
Amazon CloudFront	Oslo	Norway	Amazon CloudFront	6
Amazon CloudFront	Cape Town	South Africa	Amazon CloudFront	14
Amazon CloudFront	Newark	United States	Amazon CloudFront	4
Amazon CloudFront	Hyderabad	India	Amazon CloudFront	4
Amazon CloudFront	Zagreb	Croatia	Amazon CloudFront	26

Other Locations

CDN	Location	PoP	Network	# of IPs
Amazon CloudFront	Core Network	United States	Amazon CloudFront	36
Amazon CloudFront	Core Network	United Arab Emirates	Amazon CloudFront	23