SERVICE
Service Overview for Advertisers

Some services are currently under preparation.
For more details, please contact us via the inquiry form.

MASTRUM-DSP offers integrated audience data management, enabling a seamless end-to-end process from planning and media buying to ad delivery and post-campaign reporting.

HOW TO
Purchasing Method

DSP stands for “Demand-Side Platform” – a system designed to maximize advertisers’return on investment.

With MASTRUM-DSP, advertisers can target audiences based on demographics such as age and gender, as well as interests and preferences, enabling ad delivery in the right place at the right time.

In addition to traditional reservation-based placements, it also supports programmatic buying, allowing flexible selection of location and time slots.

  • Reserved Buying (Traditional)

    Reserved Buying (Traditional)

    Traditional reserved buying guarantees both the duration and volume of ad placements, making it ideal for advertisers who want to ensure delivery at specific locations.

  • Programmatic Buying

    Coming soon Programmatic Buying

    Programmatic buying enables highly detailed audience segmentation, making it ideal for advertisers looking to reach potential customers through targeted ad delivery.

PLAN
Ad delivery options

Deliver ads only
when needed
- ensuring efficient,
waste-free campaigns!

Choose from three different sales methods.

Ad impressions are delivered based onpredefined duration, time slots, and budget

Example

Time Slots

Morning Slot

Afternoon Slot

Evening Slot

Monday

Tuesday

Wednesday

Thursday

Friday

Saturday

Sunday

MERIT
Benefits of using MASTRUM

  • 01 Extensive Media Inventory Exclusive to MASTRUM

    MASTRUM-SSP is the only SSP directly connected to JR East’s media network. From digital displays in stations and trains to traditional non-digital formats, MASTRUM provides access to a uniquely broad range of advertising inventory.

    We offer full support to ensure your ads are delivered in the most effective locations.

  • 02 Visualizing Data That OOH Has Traditionally Lacked

    In addition to online reporting on ad placements, MASTRUM enables the calculation of viewer demographics – such as gender and age – by time slot, making OOH campaign performance easier to evaluate. By linking this data with your own purchase or CRM data, you can continuously optimize your campaigns through a PDCA cycle.

    Deliver the right message, to the right audience, at the right time.