Matchbook announces new IP to HEM matching—connecting IP addresses and hashed emails to unlock new audiences across channels.

Audience Extension

Reach audiences beyond your current data footprint

First-party data has limits—Matchbook extends your reach. Starting from an IP, MAID, or location, Matchbook uses consent-based data to uncover new devices and users, expanding your audience across channels without cookies.
Matchbook for Audience Extension

Why Matchbook for audience extension?

Unlike traditional audience extension solutions that rely on probabilistic data, Matchbook uses deterministic, observation-based geolocation mobile data to create verified connections between identifiers. By matching input signals to real-world device data, Matchbook ensures your extended audience is relevant and engaged.

By matching input signals to real-world device data, Matchbook ensures your extended audience is relevant and engaged.

What you can do with Matchbook

MAID Enrichment via IP Matching

Start with a known IP address and discover all connected mobile devices. Extend your reach to additional household devices and ensure your message is seen across screens.

IP Enrichment via MAID Matching

Provide Matchbook with a MAID and identify its associated IP addresses. Gain a clearer view of your audience's online activity, whether on mobile, desktop, or CTV.

Physical to IP Enrichment

Start with a physical location—like a store, event venue, or neighborhood—and identify IP addresses active in that area. Use these insights to reach relevant audiences based on real-world behavior.

Omnichannel Audience Activation

Activate your extended audience across multiple platforms. Matchbook’s accurate device connections ensure consistent messaging, whether through CTV, mobile, desktop, or DOOH.

Matching Pathways

IP address to MAID

Reach known audiences on mobile after desktop or CTV engagement, then serve ads on other household devices beyond that original touchpoint

Postcode, H3, Geohash to Corporate IPs

Expand into geographies relevant to your audience footprint

HEM IP address

Connect CRM, loyalty, and email audiences to IP-based devices for addressable reach—or match devices to hashed emails for onboarding into platforms like Meta.