IRS

Domains

Primary Domains

• eftps.com
• eftps.gov
• irs.gov

Platform Domains

Akamai

{hidden}.dscna.akamaiedge.net

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 IP addresses on the IRS Network.

Applications are sometimes deployed on partner networks, parent company networks, or regional hosting providers. The following is a sample of IRS IP addresses deployed on this type of network.

Applications often use various third party platforms for providing authentication, advertising, website hosting, cybersecurity, e-mail services and more. The Software-as-a-Service (SaaS) platforms used by IRS are summarized below.

SaaS solutions are often deployed on multiple IPs across different geographical points-of-presence. In addition, it is common for these IP addresses to be shared by multiple applications. A sample IP is provided below.

Hosting vendors like AWS and Microsoft Azure provide cloud-based computing and network resources to deliver applications. The hosting platforms used by IRS are summarized below by geographical points-of-presence (PoP).

Each PoP can host many IPs to deliver an application. A sample IP is provided.

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.