Transcend Building Automation control network corporation

MA-M

MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.

PrefixF0:23:B9:70:00:00 /28

Vendor address15F. No.145 Ren’ai Rd. Xizhi Dist. New Taipei City Taiwan TW 22164

RegisteredFeb 19, 2017

Block rangeF0:23:B9:70:00:00– F0:23:B9:7F:FF:FF

Address capacity1,048,576

AdministrationUniversally administered: its prefix comes from a block registered through the IEEE Registration Authority

TransmissionUnicast: addressed to a single device

SourceIEEE Registration Authority

Address capacity is the size of this registered block, not a count of devices actually manufactured or online. Registration identifies the organization holding the block, not a specific device model or unit.

Curious how a prefix like this turns into a full address? See how MAC addresses are structured →

Example addresses in this block

F0:23:B9:70:00:00 F0:23:B9:77:FF:FF F0:23:B9:7F:FF:FF

Where this block sits

Previous F0:23:B9:60:00:00 /28 Xiamen Jinhaode Electronic Co.,Ltd Next F0:23:B9:80:00:00 /28 G3 TECHNOLOGIES< INC

The nearest registered blocks of the same size on either side of this one in IEEE's address space.

Transcend Building Automation control network corporation holds 1 registered blocks in the IEEE registry, ranking #30,413 of 33,427 organizations by block count.