MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.
Prefix2C:16:BD:40:00:00 /28
Vendor addressTaitoraitti 1 Kajaani FI 87400
Country🇫🇮 Finland
RegisteredApr 25, 2019
Block range2C:16:BD:40:00:00– 2C:16:BD:4F: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
Where this block sits
Previous
2C:16:BD:30:00:00 /28
Saft AB
Next
2C:16:BD:50:00:00 /28
Beijing Zhijian Link Technology Co., Ltd.
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Sunit Oy holds 1 registered blocks in the IEEE registry, ranking #28,580 of 33,427 organizations by block count.