Cisco Secure Email

Cisco Secure Email Network

Network Information

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

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

The Cisco Secure Email Network hosts third-party applications (see below). The IPs and domains associated with Cisco Secure Email can be found on the Cisco Secure Email Domains and IPs 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

For real-time analysis, Netify also provides a deep packet inspection (DPI) engine that integrates with firewalls, quality-of-service (QoS) engines, and other network tools.

Netify DPI

IPv4 Network Ranges

23.90.96.0/24
23.90.97.0/24
23.90.98.0/24
23.90.99.0/24
and 173 more

IPv6 Network Ranges

2620:101:200a::/48
2620:101:200b::/48
2620:101:200c::/48
2620:101:200d::/48
and 11 more

Network Ranges and Routes. The networks listed here are low-level detailed routes - either BGP or internal. See What Is BGP for technical details.

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 a company or organization.