Cisco Secure Email
Cisco Secure Email Application
The following page provides details on domains, networks, IPs, hosting services, and content delivery networks used by Cisco Secure Email.
Description

Cisco Secure Email (formerly IronPort) is an email security solution that protects organizations from email-borne threats such as spam, phishing, malware, ransomware, and other advanced email attacks.
Category | |
Web Link | Cisco Secure Email - 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.
Domains
Primary Domains
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
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{hidden}.edgesuite.net | |
|
{hidden}.us-east-1.elb.amazonaws.com |
Network Ranges
- 23.90.96.0/19
- 63.251.108.0/24
- 68.232.128.0/19
- 72.5.10.0/23
- 74.201.90.0/23
- and 41 more
Some applications are deployed across network blocks. Only networks that are dedicated to an application are provided.
Cisco Secure Email 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 Cisco Secure Email Network.
ASN Description | ASN | Route | Location | IP | Shared |
---|---|---|---|---|---|
Cisco Systems Ironport Divi... | AS16417 | 23.90.98.0/24 | United States | 23.90.98.101 | |
Cisco Systems Ironport Divi... | AS16417 | 23.90.101.0/24 | United States | 23.90.101.86 | |
Cisco Systems Ironport Divi... | AS16417 | 23.90.101.0/24 | United States | 23.90.101.110 | |
Cisco Systems Ironport Divi... | AS16417 | 23.90.101.0/24 | United States | 23.90.101.170 | |
Cisco Systems Ironport Divi... | AS30238 | 23.90.102.0/24 | Germany | 23.90.102.54 | |
and 1165 more |
Other Networks
There are tens of thousands of Internet network providers and we make an effort to track as many as we can, but we have less coverage for niche and local providers. The following is a sample of Cisco Secure Email IP addresses on this type of network.
ASN Description | ASN | Route | Location | IP | Shared |
---|---|---|---|---|---|
MyRepublic | AS56300 | 101.100.179.0/24 | Singapore | 101.100.179.168 |
Hosting
Cloud hosting vendors like AWS and Microsoft Azure provide cloud-based computing and network resources to deliver applications. The hosting platforms used by Cisco Secure Email are summarized below by geographical points-of-presence (PoP). Each PoP can host many IPs to deliver an application.
Cloud Hosts | # of IPs |
---|---|
|
22 |
Host | PoP | Location | IPs |
---|---|---|---|
|
Ashburn | United States | 22 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 |
---|---|
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2345 |
PoP Locations
CDN | Network | PoP | Location | IPs |
---|---|---|---|---|
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Prague | Czechia | 23 IPs |
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London | United Kingdom | 60 IPs |
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Bogota | Colombia | 14 IPs |
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Moscow | Russia | 16 IPs |
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Marseille | France | 19 IPs |
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Fujairah | United Arab Emirates | 13 IPs |
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Frankfurt | Germany | 100 IPs |
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Sao Paulo | Brazil | 24 IPs |
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Mombasa | Kenya | 4 IPs |
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Isando | South Africa | 25 IPs |
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Kampala | Uganda | 4 IPs |
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Dar es Salaam | Tanzania | 9 IPs |
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Vienna | Austria | 39 IPs |
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Amsterdam | Netherlands | 21 IPs |
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Milan | Italy | 49 IPs |
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Schiphol | Netherlands | 12 IPs |
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Athens | Greece | 2 IPs |
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Hamburg | Germany | 6 IPs |
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Cape Town | South Africa | 15 IPs |
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Stockholm | Sweden | 12 IPs |
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Paris | France | 41 IPs |
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Berlin | Germany | 21 IPs |
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Lisbon | Portugal | 19 IPs |
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Los Angeles | United States | 14 IPs |
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Hong Kong | Hong Kong | 35 IPs |
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Glattbrugg | Switzerland | 8 IPs |
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Tokyo | Japan | 53 IPs |
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Barcelona | Spain | 17 IPs |
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Oslo | Norway | 16 IPs |
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Dallas | United States | 13 IPs |
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Toronto | Canada | 24 IPs |
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Montreal | Canada | 13 IPs |
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Piscataway | United States | 2 IPs |
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Brisbane | Australia | 13 IPs |
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Miami | United States | 64 IPs |
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Sydney | Australia | 12 IPs |
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Singapore | Singapore | 61 IPs |
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Osaka | Japan | 31 IPs |
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Lithia Springs | United States | 2 IPs |
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Mexico City | Mexico | 6 IPs |
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Ashburn | United States | 17 IPs |
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Atlanta | United States | 12 IPs |
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Kolkata | India | 21 IPs |
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Newark | United States | 2 IPs |
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New York | United States | 2 IPs |
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Warsaw | Poland | 16 IPs |
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Dublin | Ireland | 20 IPs |
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Rio de Janeiro | Brazil | 10 IPs |
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Omaha | United States | 6 IPs |
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Santiago | Chile | 18 IPs |
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Melbourne | Australia | 16 IPs |
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Santiago de Queretaro | Mexico | 10 IPs |
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Monterrey | Mexico | 6 IPs |
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Perth | Australia | 2 IPs |
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Seattle | United States | 2 IPs |
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New Delhi | India | 14 IPs |
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Irving | United States | 8 IPs |
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Zurich | Switzerland | 9 IPs |
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Madrid | Spain | 26 IPs |
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Recife | Brazil | 11 IPs |
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Bucharest | Romania | 6 IPs |
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Rome | Italy | 6 IPs |
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Dubai | United Arab Emirates | 9 IPs |
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Buenos Aires | Argentina | 21 IPs |
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Curitiba | Brazil | 9 IPs |
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Palermo | Italy | 14 IPs |
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Haarlem | Netherlands | 12 IPs |
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Tel Aviv | Israel | 3 IPs |
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Boston | United States | 2 IPs |
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Secaucus | United States | 6 IPs |
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Copenhagen | Denmark | 3 IPs |
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Brussels | Belgium | 6 IPs |
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Durban | South Africa | 6 IPs |
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Salvador | Brazil | 2 IPs |
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Munich | Germany | 9 IPs |
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Fortaleza | Brazil | 8 IPs |
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Chennai | India | 10 IPs |
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Mount Prospect | United States | 6 IPs |
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Marietta | United States | 8 IPs |
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Mumbai | India | 24 IPs |
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Kuala Lumpur | Malaysia | 6 IPs |
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Richardson | United States | 8 IPs |
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Hyderabad | India | 6 IPs |
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Bengaluru | India | 6 IPs |
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Bangkok | Thailand | 2 IPs |
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Sofia | Bulgaria | 6 IPs |
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Stuttgart | Germany | 2 IPs |
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San Juan | Puerto Rico | 3 IPs |
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Ahmedabad | India | 2 IPs |
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McAllen | United States | 4 IPs |
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Chicago | United States | 4 IPs |
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Cyberjaya | Malaysia | 2 IPs |
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Jakarta | Indonesia | 4 IPs |
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San Pedro Sula | Honduras | 2 IPs |
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Kozhikode | India | 4 IPs |
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Manchester | United Kingdom | 2 IPs |
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Budapest | Hungary | 17 IPs |
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Johannesburg | South Africa | 9 IPs |
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Isando | South Africa | 9 IPs |
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Durban | South Africa | 9 IPs |
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Hong Kong | Hong Kong | 9 IPs |
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Singapore | Singapore | 7 IPs |
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Mumbai | India | 8 IPs |
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Taipei | Taiwan | 15 IPs |
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Vancouver | Canada | 20 IPs |
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Milan | Italy | 11 IPs |
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Athens | Greece | 2 IPs |
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Rome | Italy | 7 IPs |
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Palermo | Italy | 3 IPs |
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Vilnius | Lithuania | 8 IPs |
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Baku | Azerbaijan | 4 IPs |
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Jeddah | Saudi Arabia | 5 IPs |
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Riyadh | Saudi Arabia | 8 IPs |
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Bucharest | Romania | 8 IPs |
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Hanoi | Vietnam | 7 IPs |
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Ho Chi Minh City | Vietnam | 4 IPs |
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Ulaanbaatar | Mongolia | 10 IPs |
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Quezon City | Philippines | 5 IPs |
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Makati | Philippines | 4 IPs |
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Melbourne | Australia | 10 IPs |
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Milan | Italy | 10 IPs |
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Porto Alegre | Brazil | 5 IPs |
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Santa Cruz | Bolivia | 4 IPs |
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Lima | Peru | 2 IPs |
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Pasig | Philippines | 7 IPs |
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San Fernando | Philippines | 6 IPs |
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Makati | Philippines | 1 IP |
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Kingston | Jamaica | 6 IPs |
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Port of Spain | Trinidad and Tobago | 3 IPs |
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Amman | Jordan | 10 IPs |
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Reykjavik | Iceland | 7 IPs |
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Montreal | Canada | 12 IPs |
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Muscat | Oman | 9 IPs |
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Tirana | Albania | 5 IPs |
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Accra | Ghana | 2 IPs |
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Guatemala City | Guatemala | 4 IPs |
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Brasilia | Brazil | 2 IPs |
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San Jose | Costa Rica | 5 IPs |
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Guayaquil | Ecuador | 2 IPs |
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Oslo | Norway | 14 IPs |
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Helsinki | Finland | 18 IPs |
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Bern | Switzerland | 11 IPs |
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Zurich | Switzerland | 6 IPs |
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Vilnius | Lithuania | 10 IPs |
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Stockholm | Sweden | 4 IPs |
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Liljeholmen | Sweden | 2 IPs |
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Mandaluyong | Philippines | 4 IPs |
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Dakar | Senegal | 6 IPs |
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Fort-de-France | Martinique | 2 IPs |
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Melbourne | Australia | 2 IPs |
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Muscat | Oman | 3 IPs |
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Montreal | Canada | 4 IPs |
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Pretoria | South Africa | 2 IPs |
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Richmond Hill | Canada | 4 IPs |
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Kyiv | Ukraine | 2 IPs |
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Riga | Latvia | 2 IPs |
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Dusseldorf | Germany | 3 IPs |
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Lisbon | Portugal | 3 IPs |
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Luanda | Angola | 4 IPs |
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Bangkok | Thailand | 4 IPs |
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Auckland | New Zealand | 2 IPs |
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Melbourne | Australia | 4 IPs |
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Brisbane | Australia | 4 IPs |
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Buenos Aires | Argentina | 2 IPs |
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Nicosia | Cyprus | 4 IPs |
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Johannesburg | South Africa | 4 IPs |
Other Locations
CDN | Network | PoP | Location | IPs |
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ASN AS31042 | Core Network | Serbia | 4 IPs |
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ASN AS45820 | Core Network | India | 4 IPs |
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Core Network | Belgium | 2 IPs |
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Core Network | United Kingdom | 3 IPs |
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Core Network | Iraq | 3 IPs |
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Core Network | Philippines | 4 IPs |
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Core Network | Peru | 2 IPs |
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ASN AS33771 | Core Network | Kenya | 4 IPs |
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ASN AS2609 | Core Network | Tunisia | 20 IPs |
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ASN AS13329 | Core Network | United States | 2 IPs |
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ASN AS38264 | Core Network | Pakistan | 8 IPs |
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ASN AS8400 | Core Network | Serbia | 12 IPs |
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ASN AS12578 | Core Network | Latvia | 8 IPs |
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ASN AS8551 | Core Network | Israel | 7 IPs |
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ASN AS12400 | Core Network | Israel | 8 IPs |
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ASN AS6697 | Core Network | Belarus | 9 IPs |
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ASN AS35805 | Core Network | Georgia | 4 IPs |
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ASN AS20845 | Core Network | Hungary | 12 IPs |
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ASN AS2593 | Core Network | Italy | 5 IPs |
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ASN AS41313 | Core Network | Bulgaria | 8 IPs |
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ASN AS3292 | Core Network | Denmark | 10 IPs |
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ASN AS132559 | Core Network | India | 3 IPs |
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ASN AS38193 | Core Network | Pakistan | 15 IPs |
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ASN AS10219 | Core Network | Mongolia | 5 IPs |
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ASN AS3216 | Core Network | Russia | 6 IPs |
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ASN AS18734 | Core Network | Mexico | 8 IPs |
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ASN AS31500 | Core Network | Russia | 4 IPs |
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ASN AS55824 | Core Network | India | 6 IPs |
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ASN AS3212 | Core Network | Slovenia | 7 IPs |
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ASN AS23201 | Core Network | Paraguay | 4 IPs |
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ASN AS23201 | Core Network | Argentina | 2 IPs |
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ASN AS262197 | Core Network | Costa Rica | 3 IPs |
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ASN AS52263 | Core Network | Costa Rica | 6 IPs |
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ASN AS5603 | Core Network | Slovenia | 9 IPs |
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ASN AS5391 | Core Network | Croatia | 10 IPs |
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ASN AS37342 | Core Network | Mozambique | 2 IPs |
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ASN AS37228 | Core Network | Rwanda | 5 IPs |
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ASN AS11830 | Core Network | Costa Rica | 6 IPs |
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ASN AS9873 | Core Network | Laos | 8 IPs |
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ASN AS9246 | Core Network | Guam | 12 IPs |
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ASN AS9930 | Core Network | Malaysia | 16 IPs |
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ASN AS55423 | Core Network | Thailand | 4 IPs |
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ASN AS14813 | Core Network | Barbados | 1 IP |
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ASN AS9848 | Core Network | South Korea | 5 IPs |
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ASN AS8501 | Core Network | Poland | 7 IPs |
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ASN AS43727 | Core Network | Russia | 3 IPs |
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ASN AS2116 | Core Network | Norway | 4 IPs |
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ASN AS55805 | Core Network | Mongolia | 5 IPs |
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ASN AS4651 | Core Network | Thailand | 5 IPs |
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ASN AS20764 | Core Network | Russia | 6 IPs |
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ASN AS20485 | Core Network | Russia | 10 IPs |
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ASN AS5408 | Core Network | Greece | 3 IPs |
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ASN AS8697 | Core Network | Jordan | 10 IPs |
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ASN AS31027 | Core Network | Denmark | 13 IPs |
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ASN AS55329 | Core Network | Cambodia | 4 IPs |
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ASN AS1680 | Core Network | Israel | 6 IPs |
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ASN AS12389 | Core Network | Russia | 2 IPs |
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ASN AS197556 | Core Network | Kazakhstan | 4 IPs |
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ASN AS15146 | Core Network | Bahamas | 4 IPs |
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ASN AS24863 | Core Network | Egypt | 4 IPs |
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ASN AS4609 | Core Network | Macao | 4 IPs |
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ASN AS45903 | Core Network | Vietnam | 3 IPs |
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ASN AS51407 | Core Network | Palestine | 4 IPs |
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ASN AS55915 | Core Network | Nepal | 4 IPs |
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Core Network | Dominican Republic | 2 IPs |
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Core Network | Nicaragua | 2 IPs |
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Core Network | Brazil | 4 IPs |
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ASN AS6713 | Core Network | Morocco | 2 IPs |
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ASN AS8681 | Core Network | Jersey | 4 IPs |
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ASN AS31117 | Core Network | Slovakia | 4 IPs |
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ASN AS34779 | Core Network | Slovenia | 2 IPs |
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ASN AS9038 | Core Network | Jordan | 4 IPs |
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ASN AS13004 | Core Network | Serbia | 2 IPs |
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ASN AS56300 | Core Network | Singapore | 3 IPs |
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ASN AS45177 | Core Network | New Zealand | 2 IPs |
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ASN AS138754 | Core Network | India | 4 IPs |
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ASN AS55943 | Core Network | French Polynesia | 3 IPs |
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ASN AS132165 | Core Network | Pakistan | 4 IPs |
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ASN AS23955 | Core Network | Bhutan | 3 IPs |
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Core Network | Latvia | 2 IPs |
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ASN AS3132 | Core Network | Peru | 4 IPs |
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ASN AS14988 | Core Network | Botswana | 4 IPs |
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ASN AS9381 | Core Network | Hong Kong | 2 IPs |
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ASN AS197563 | Core Network | Ukraine | 3 IPs |
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ASN AS6057 | Core Network | Uruguay | 4 IPs |
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Core Network | Argentina | 4 IPs |
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ASN AS15739 | Core Network | Lebanon | 2 IPs |
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ASN AS21826 | Core Network | Venezuela | 2 IPs |
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ASN AS27839 | Core Network | Bolivia | 4 IPs |
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ASN AS27773 | Core Network | El Salvador | 2 IPs |
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Core Network | Peru | 2 IPs |
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ASN AS12735 | Core Network | Turkey | 4 IPs |
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Core Network | Finland | 2 IPs |
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ASN AS28787 | Core Network | Azerbaijan | 4 IPs |
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ASN AS1930 | Core Network | Portugal | 4 IPs |
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ASN AS9121 | Core Network | Turkey | 6 IPs |
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ASN AS10269 | Core Network | Belize | 3 IPs |
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ASN AS7738 | Core Network | Brazil | 3 IPs |
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ASN AS9416 | Core Network | Taiwan | 4 IPs |
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ASN AS17976 | Core Network | Cambodia | 4 IPs |
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ASN AS1237 | Core Network | South Korea | 2 IPs |
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ASN AS6855 | Core Network | Slovakia | 2 IPs |
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ASN AS8359 | Core Network | Russia | 2 IPs |
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ASN AS39010 | Core Network | Lebanon | 2 IPs |
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ASN AS28716 | Core Network | Italy | 2 IPs |
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ASN AS39232 | Core Network | Azerbaijan | 2 IPs |
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ASN AS4760 | Core Network | Hong Kong | 4 IPs |
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