Microsoft Outlook Application
The following page provides details on domains, networks, IPs, hosting services, and content delivery networks used by Microsoft Outlook.
What is Microsoft Outlook?
Microsoft Outlook - Mail
Outlook.com is a web-based suite of webmail, contacts, tasks, and calendaring services from Microsoft.
Microsoft Outlook Domains
Primary Domains
- outlook.office.com
- substrate.office.com
- outlook.office365.com
- outlook.com
- outlook.cloud.microsoft
- r4.res.office365.com
- autodiscover-s.outlook.com
- and 48 more
Platform Domains
| Platform | Sample Domain | Details |
|---|---|---|
Akamai
|
{hidden}.office365.com.edgekey.net | and 3 more |
Azure Front Door
|
{hidden}.msedge.net | |
Microsoft Azure
|
{hidden}.trafficmanager.net | and 2 more |
Core Networks
Applications are sometimes deployed on partner networks, parent company networks, or regional hosting providers. The following is a sample of Microsoft Outlook IP addresses deployed on this type of network.
| Network | IP | PoP | Category | Location |
|---|---|---|---|---|
Microsoft
|
13.107.244.1 | Core Network | Business | United States |
|
Microsoft
|
20.35.193.66 | Core Network | Business | United States |
|
Microsoft
|
20.35.193.130 | Core Network | Business | United States |
|
Microsoft
|
20.35.193.162 | Core Network | Business | United States |
|
Microsoft
|
20.35.194.130 | Core Network | Business | United States |
| ... and 13496 more | ||||
Hosting
| SaaS | Sample IP | # of IPs |
|---|---|---|
|
Microsoft Azure
|
52.123.173.66 | 805 |
Google Cloud Platform
|
34.68.234.4 | 1 |
21Vianet Blue Cloud
|
40.73.132.2 | 32 |
DigitalOcean
|
143.244.165.156 | 2 |
Linode
|
172.104.217.27 | 1 |
To scale its compute capacity and optimize resources, Microsoft Outlook leverages a multi-cloud architecture.
Content Delivery Networks - CDNs
Summary
| CDN | Sample IP | # of IPs |
|---|---|---|
|
Akamai
|
219.76.10.153 | 1571 |
|
Azure Front Door
|
131.253.33.234 | 272 |
To get information to end users more quickly, many apps - including Microsoft Outlook - use Content Delivery Networks (CDNs).
Anycast
| CDN | Sample IP | # of IPs |
|---|---|---|
|
Azure Front Door
|
131.253.33.234 | 272 |
Network Map
PoP Locations
| CDN | Location | PoP | Network | # of IPs |
|---|---|---|---|---|
|
Akamai
|
Amsterdam | Netherlands |
Akamai
|
10 |
|
Akamai
|
Lisbon | Portugal |
Akamai
|
6 |
|
Akamai
|
Johannesburg | South Africa |
Akamai
|
31 |
|
Akamai
|
Frankfurt | Germany |
Akamai
|
25 |
|
Akamai
|
Paris | France |
Akamai
|
60 |
|
Akamai
|
Sao Paulo | Brazil |
Akamai
|
10 |
|
Akamai
|
Toronto | Canada |
Akamai
|
9 |
|
Akamai
|
Curitiba | Brazil |
Akamai
|
2 |
|
Akamai
|
Cape Town | South Africa |
Akamai
|
19 |
|
Akamai
|
Hamburg | Germany |
Akamai
|
4 |
|
Akamai
|
Hong Kong | Hong Kong |
Akamai
|
11 |
|
Akamai
|
Madrid | Spain |
Akamai
|
14 |
|
Akamai
|
Prague | Czechia |
Akamai
|
10 |
|
Akamai
|
Mombasa | Kenya |
Akamai
|
11 |
|
Akamai
|
Rio de Janeiro | Brazil |
Akamai
|
1 |
|
Akamai
|
Brussels | Belgium |
Akamai
|
2 |
|
Akamai
|
Stockholm | Sweden |
Akamai
|
14 |
|
Akamai
|
London | United Kingdom |
Akamai
|
76 |
|
Akamai
|
Durban | South Africa |
Akamai
|
4 |
|
Akamai
|
Schiphol | Netherlands |
Akamai
|
5 |
|
Akamai
|
Milan | Italy |
Akamai
|
66 |
|
Akamai
|
Dublin | Ireland |
Akamai
|
5 |
|
Akamai
|
Palermo | Italy |
Akamai
|
9 |
|
Akamai
|
Barcelona | Spain |
Akamai
|
6 |
|
Akamai
|
Fortaleza | Brazil |
Akamai
|
2 |
|
Akamai
|
Mount Prospect | United States |
Akamai
|
28 |
|
Akamai
|
Bogota | Colombia |
Akamai
|
3 |
|
Akamai
|
Dusseldorf | Germany |
Akamai
|
3 |
|
Akamai
|
Atlanta | United States |
Akamai
|
30 |
|
Akamai
|
Glattbrugg | Switzerland |
Akamai
|
6 |
|
Akamai
|
Sydney | Australia |
Akamai
|
143 |
|
Akamai
|
Osaka | Japan |
Akamai
|
7 |
|
Akamai
|
Singapore | Singapore |
Akamai
|
69 |
|
Akamai
|
San Jose | United States |
Akamai
|
28 |
|
Akamai
|
Ashburn | United States |
Akamai
|
14 |
|
Akamai
|
Los Angeles | United States |
Akamai
|
50 |
|
Akamai
|
San Diego | United States |
Akamai
|
1 |
|
Akamai
|
Marietta | United States |
Akamai
|
5 |
|
Akamai
|
Irving | United States |
Akamai
|
56 |
|
Akamai
|
Dallas | United States |
Akamai
|
63 |
|
Akamai
|
Miami | United States |
Akamai
|
10 |
|
Akamai
|
Jakarta | Indonesia |
Akamai
|
22 |
|
Akamai
|
Melbourne | Australia |
Akamai
|
47 |
|
Akamai
|
Montreal | Canada |
Akamai
|
3 |
|
Akamai
|
New York | United States |
Akamai
|
3 |
|
Akamai
|
Santa Clara | United States |
Akamai
|
60 |
|
Akamai
|
Chicago | United States |
Akamai
|
74 |
|
Akamai
|
Tokyo | Japan |
Akamai
|
30 |
|
Akamai
|
Brisbane | Australia |
Akamai
|
20 |
|
Akamai
|
Kuala Lumpur | Malaysia |
Akamai
|
2 |
|
Akamai
|
Mumbai | India |
Akamai
|
16 |
|
Akamai
|
Wellington | New Zealand |
Akamai
|
2 |
|
Akamai
|
Seattle | United States |
Akamai
|
11 |
|
Akamai
|
Warsaw | Poland |
Akamai
|
4 |
|
Akamai
|
Marseille | France |
Akamai
|
9 |
|
Akamai
|
Coimbatore | India |
Akamai
|
2 |
|
Akamai
|
Bhopal | India |
Akamai
|
1 |
|
Akamai
|
Adelaide | Australia |
Akamai
|
4 |
|
Akamai
|
Minneapolis | United States |
Akamai
|
5 |
|
Akamai
|
Berlin | Germany |
Akamai
|
4 |
|
Akamai
|
Tempe | United States |
Akamai
|
2 |
|
Akamai
|
McAllen | United States |
Akamai
|
2 |
|
Akamai
|
Haarlem | Netherlands |
Akamai
|
2 |
|
Akamai
|
Cyberjaya | Malaysia |
Akamai
|
4 |
|
Akamai
|
Buenos Aires | Argentina |
Akamai
|
2 |
|
Akamai
|
Santiago de Queretaro | Mexico |
Akamai
|
13 |
|
Akamai
|
Surabaya | Indonesia |
Akamai
|
5 |
|
Akamai
|
Secaucus | United States |
Akamai
|
6 |
|
Akamai
|
Auckland | New Zealand |
Akamai
|
2 |
|
Akamai
|
Santiago | Chile |
Akamai
|
2 |
|
Akamai
|
Hillsboro | United States |
Akamai
|
4 |
|
Akamai
|
Englewood | United States |
Akamai
|
2 |
|
Akamai
|
Las Vegas | United States |
Akamai
|
2 |
|
Akamai
|
Perth | Australia |
Akamai
|
21 |
|
Akamai
|
Rome | Italy |
Akamai
|
14 |
|
Akamai
|
Dubai | United Arab Emirates |
Akamai
|
6 |
|
Akamai
|
Batam | Indonesia |
Akamai
|
1 |
|
Akamai
|
Houston | United States |
Akamai
|
6 |
|
Akamai
|
Bangkok | Thailand |
Akamai
|
5 |
|
Akamai
|
Vienna | Austria |
Akamai
|
5 |
|
Akamai
|
Bucharest | Romania |
Akamai
|
2 |
|
Akamai
|
Munich | Germany |
Akamai
|
2 |
|
Akamai
|
Chennai | India |
Akamai
|
5 |
|
Akamai
|
Hyderabad | India |
Akamai
|
1 |
|
Akamai
|
Vancouver | Canada |
Akamai
|
5 |
|
Akamai
|
New Delhi | India |
Akamai
|
3 |
|
Akamai
|
Monterrey | Mexico |
Akamai
|
1 |
|
Akamai
|
Lima | Peru |
Akamai
|
2 |
|
Akamai
|
Taichung | Taiwan |
Akamai
|
1 |
|
Akamai
|
Quezon City | Philippines |
Akamai
|
2 |
|
Akamai
|
Rome | Italy |
Sparkle
|
2 |
|
Akamai
|
Athens | Greece |
Sparkle
|
2 |
|
Akamai
|
Johannesburg | South Africa |
Liquid
|
4 |
|
Akamai
|
Dakar | Senegal |
Orange
|
2 |
|
Akamai
|
Hong Kong | Hong Kong |
Telstra
|
2 |
|
Akamai
|
Brisbane | Australia |
Telstra
|
4 |
|
Akamai
|
Tokyo | Japan |
Telstra
|
2 |
|
Akamai
|
Chennai | India |
Jio
|
2 |
|
Akamai
|
New Delhi | India |
Jio
|
3 |
|
Akamai
|
Mumbai | India |
Jio
|
1 |
|
Akamai
|
Jaipur | India |
Jio
|
1 |
|
Akamai
|
Perai | Malaysia |
Telekom Malaysia
|
2 |
|
Akamai
|
Montreal | Canada |
Videotron
|
3 |
|
Akamai
|
Richmond Hill | Canada |
Rogers
|
2 |
|
Akamai
|
Vilnius | Lithuania |
Bite Lietuva
|
2 |
|
Akamai
|
Kyiv | Ukraine |
RETN
|
2 |
|
Akamai
|
Riga | Latvia |
RETN
|
2 |
|
Akamai
|
Dusseldorf | Germany |
1&1 Versatel
|
2 |
|
Akamai
|
Dortmund | Germany |
1&1 Versatel
|
2 |
|
Akamai
|
Luanda | Angola |
Angola Cables
|
2 |
|
Akamai
|
Hanoi | Vietnam |
VNPT
|
2 |
|
Akamai
|
Hanoi | Vietnam |
FPT Group
|
2 |
|
Akamai
|
Surabaya | Indonesia |
PT Telkom Indonesia
|
1 |
|
Akamai
|
Perth | Australia |
Vocus
|
2 |
|
Akamai
|
Melbourne | Australia |
Vocus
|
1 |
|
Akamai
|
Sydney | Australia |
Vocus
|
2 |
|
Akamai
|
Melbourne | Australia |
Aussie Broadband
|
2 |
|
Akamai
|
Brisbane | Australia |
Aussie Broadband
|
2 |
|
Akamai
|
Budapest | Hungary |
Deutsche Telekom
|
2 |
|
Akamai
|
Milan | Italy |
Wind Tre
|
3 |
|
Akamai
|
Montreal | Canada |
Bell Canada
|
13 |
|
Akamai
|
Toronto | Canada |
Bell Canada
|
2 |
|
Akamai
|
San Jose | Costa Rica |
Ufinet
|
2 |
|
Akamai
|
Helsinki | Finland |
Elisa
|
2 |
|
Akamai
|
Zurich | Switzerland |
Swisscom
|
2 |
|
Akamai
|
Bern | Switzerland |
Swisscom
|
2 |
|
Akamai
|
Johannesburg | South Africa |
Dimension Data
|
4 |
|
Akamai
|
Sao Paulo | Brazil |
Claro
|
2 |
|
Akamai
|
Salvador | Brazil |
Claro
|
2 |
|
Akamai
|
Sydney | Australia |
TPG Telecom
|
4 |
|
Akamai
|
Kaohsiung | Taiwan |
Chunghwa Telecom
|
2 |
|
Akamai
|
Taichung | Taiwan |
Chunghwa Telecom
|
1 |
|
Akamai
|
Auckland | New Zealand |
One NZ
|
2 |
|
Akamai
|
Edmonton | Canada |
Telus
|
1 |
|
Akamai
|
Vancouver | Canada |
Telus
|
6 |
Other Locations
| CDN | Location | PoP | Network | # of IPs |
|---|---|---|---|---|
|
Akamai
|
Core Network | Bahamas | ASN AS15146 | 2 |
|
Akamai
|
Core Network | Australia | ASN AS58511 | 2 |
|
Akamai
|
Core Network | Macao | ASN AS4609 | 2 |
|
Akamai
|
Core Network | Vietnam | ASN AS45903 | 2 |
|
Akamai
|
Core Network | Ukraine | ASN AS51369 | 2 |
|
Akamai
|
Core Network | Serbia | ASN AS8400 | 2 |
|
Akamai
|
Core Network | Latvia | ASN AS12578 | 2 |
|
Akamai
|
Core Network | Israel | ASN AS12400 | 4 |
|
Akamai
|
Core Network | Belarus | ASN AS6697 | 2 |
|
Akamai
|
Core Network | Slovakia | ASN AS31117 | 2 |
|
Akamai
|
Core Network | Bahrain | ASN AS5416 | 2 |
|
Akamai
|
Core Network | Slovenia | ASN AS34779 | 2 |
|
Akamai
|
Core Network | Jordan | ASN AS9038 | 2 |
|
Akamai
|
Core Network | Serbia | ASN AS13004 | 2 |
|
Akamai
|
Core Network | Mongolia | ASN AS55805 | 2 |
|
Akamai
|
Core Network | Laos | ASN AS9873 | 2 |
|
Akamai
|
Core Network | Pakistan | ASN AS132165 | 2 |
|
Akamai
|
Core Network | Pakistan | ASN AS38193 | 2 |
|
Akamai
|
Core Network | Thailand | ASN AS4651 | 2 |
|
Akamai
|
Core Network | Iraq | ASN AS21277 | 2 |
|
Akamai
|
Core Network | Russia | ASN AS20764 | 2 |
|
Akamai
|
Core Network | Trinidad and Tobago | ASN AS5639 | 2 |
|
Akamai
|
Core Network | Bolivia | ASN AS27839 | 2 |
|
Akamai
|
Core Network | Paraguay | ASN AS27895 | 2 |
|
Akamai
|
Core Network | El Salvador | ASN AS27773 | 2 |
|
Akamai
|
Core Network | Slovenia | ASN AS5603 | 2 |
|
Akamai
|
Core Network | Greece | ASN AS5408 | 2 |
|
Akamai
|
Core Network | Portugal | ASN AS1930 | 2 |
|
Akamai
|
Core Network | South Africa |
Dimension Data
|
2 |
|
Akamai
|
Core Network | Belize | ASN AS10269 | 2 |
|
Akamai
|
Core Network | Uruguay | ASN AS6057 | 2 |
|
Akamai
|
Core Network | Dominican Republic | ASN AS265721 | 2 |
|
Akamai
|
Core Network | Brazil | ASN AS7738 | 2 |
|
Akamai
|
Core Network | Guam | ASN AS9246 | 2 |
|
Akamai
|
Core Network | Brunei | ASN AS10094 | 2 |
|
Akamai
|
Core Network | Taiwan | ASN AS9416 | 2 |
|
Akamai
|
Core Network | Cambodia | ASN AS17976 | 2 |
|
Akamai
|
Core Network | Thailand | ASN AS38040 | 2 |
|
Akamai
|
Core Network | South Korea | ASN AS1237 | 2 |
|
Akamai
|
Core Network | Russia | ASN AS8359 | 2 |
|
Akamai
|
Core Network | Hong Kong | ASN AS4760 | 2 |