The Spamhaus Project

Commercial-Grade Reputation Data

About the Data

Reputation data for professional production environments, with real-time updates, for email filtering, network protection and investigations. Free and paid for accounts available.

Accessing commercial-grade reputation data

We provide access to our data, including blocklists, through Spamhaus Technology and its partners for distribution. They take our IP and domain reputation data and make it available at an enterprise-level for timely, accurate and reliable insight. Thousands of organizations use this data for email filtering, network protection, assessing the reputation of internet identifiers, and for investigation purposes.

Free and paid services are available - more information can be found below.

Who is Spamhaus Technology?

This independent company has delivered data at volume and velocity, coupled with technical support to the Spamhaus Project, for over two decades. Spamhaus Technology has a wealth of experience in rapidly delivering large amounts of reputation data via a robust infrastructure, providing users across the globe with protection, insights, and peace of mind.

Options to access commercial-grade reputation data

Free accounts: Free accounts are available via Spamhaus Technology, subject to terms of use, to ensure small-scale users can benefit from commercial-grade data feeds at no cost.

Annual subscriptions: Where data is used for commercial purposes, or for large scale usage, users can select an annual subscription-based service. Commercial customers benefit from technical support and access to an increased number of datasets, providing additional security and context.