MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.
PrefixC8:2C:2B:A0:00:00 /28
Vendor address4F TokyoDaiwa Bldg., 2-6-10 Nihonbashibakurocho, Chuo, Tokyo JP 1030002
Country🇯🇵 Japan
RegisteredFeb 5, 2019
Block rangeC8:2C:2B:A0:00:00– C8:2C:2B:AF: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
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C8:2C:2B:90:00:00 /28
BIOT Sp. z o.o.
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C8:2C:2B:B0:00:00 /28
Kunshan SVL Electric Co.,Ltd
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Shiftall Inc. holds 1 registered blocks in the IEEE registry, ranking #27,147 of 33,427 organizations by block count.