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 Enterasys

Enterasys was a networking company later acquired by Extreme Networks. Its blocks appear on older switches.

Devices that use these prefixes

• Legacy switches and wireless gear

Related companies

• Extreme Networks, Inc.: the later owner

Assignments by type

Countries in IEEE's registration records

Download this organization's blocks

Get just these assignments as CSV or JSON, generated fresh from the live registry on every request.

4 registered prefixes