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

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 | Home Page |
Networks and PoPs
The network and PoP data shown here is available in our Netify Data Feeds solution. The data is accessible via our IP API as well as downloadable datasets.
Cisco Secure Email - Network Ranges
IPv4 Network Ranges
- 23.90.96.0/24
- 23.90.97.0/24
- 23.90.98.0/24
- and 180 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.
The networks listed here are low-level detailed routes - either BGP or internal.
Cisco Secure Email - ASNs
AS40427 | Cisco Systems Ironport Division |
AS30215 | Cisco Systems Ironport Division |
AS16417 | Cisco Systems Ironport Division |
and 1 more |
What is an ASN?
An Autonomous System Number (ASN) is a unique identifier assigned to a collection of IP networks managed by an organization.
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
Netify Resources
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