Cisco Secure Email - Network

The following page provides details on network ranges, IPs, ASNs and points-of-presence (PoPs) for the Cisco Secure Email network.

What Is Cisco Secure Email?

Cisco Secure Email - Logo

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 Mail
Web Link Home Page

Network Intelligence

The network data shown here is also available via the Netify Data Feed API. We provide network intelligence to help deliver better digital experiences to end users and businesses.

Netify Data Feeds

Cisco Secure Email - Network Ranges

IPv4 Network Ranges

  • 23.90.96.0/24
  • 23.90.97.0/24
  • 23.90.98.0/24
  • and 176 more

IPv6 Network Ranges

  • 2620:101:200a::/48
  • 2620:101:200b::/48
  • 2620:101:200c::/48
  • and 12 more
Network Ranges and Routes
The networks listed here are low-level detailed routes - either BGP or internal.

Cisco Secure Email - ASNs

AS30215 Cisco Systems Ironport Division
AS16417 Cisco Systems Ironport Division
AS30238 Cisco Systems Ironport Division
What is an ASN?
An Autonomous System Number (ASN) is a unique identifier assigned to a collection of IP networks managed by an organization.

Cisco Secure Email - Active Applications

Name Category  
SpamCop - Logo SpamCop Cybersecurity App Info
Cisco - Logo Cisco Business App Info
SURBL - Logo SURBL Cybersecurity App Info
FNB - Logo FNB Financial App Info
Cisco Secure Email - Logo Cisco Secure Email Mail App Info
The adjacent list of applications are deployed on the Cisco Secure Email network.

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