MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.
Prefix6C:27:C8:40:00:00 /28
Vendor addressBajcsy-Zsilinszky Endre utca 8. Komárom HU 2900
Country🇭🇺 Hungary
RegisteredMar 11, 2025
Block range6C:27:C8:40:00:00– 6C:27:C8:4F: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
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6C:27:C8:30:00:00 /28
IDIS Nederland BV
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6C:27:C8:50:00:00 /28
Yuanzhong International Trade Co.,Limited
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
PickUp Kft. holds 1 registered blocks in the IEEE registry, ranking #22,983 of 33,421 organizations by block count.