Resideo

6 blocks
Every MAC/OUI block IEEE has registered to this exact organization name, combined.
Registered nameResideo
Total assignments6
Total address capacity100,663,296
First tracked hereAug 22, 2026
Last changed hereAug 22, 2026
SourceIEEE Registration Authority

Vendor registration identifies the organization holding a block, not a specific device model, product line, or manufacturing date. This page combines every block IEEE has registered under this exact organization name; it doesn't mean every address in every listed block is currently shipping in a real device.

About Resideo

Resideo makes Honeywell Home thermostats and security products under license. It was spun off from Honeywell in 2018.

Devices that use these prefixes

  • Smart thermostats
  • Security panels and cameras

Related companies

Assignments by type

TypeCount
MA-L5
CID1

Countries in IEEE's registration records

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6 registered prefixes

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