MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix00:C0:EF:00:00:00 /24
Vendor address29-11 HIRAOKA-CHO 192 JP
Country🇯🇵 Japan
RegisteredApr 22, 1998
Block range00:C0:EF:00:00:00– 00:C0:EF:FF:FF:FF
Address capacity16,777,216
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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00:C0:EE:00:00:00 /24
KYOCERA Display Corporation
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00:C0:F0:00:00:00 /24
Kingston Technology Company, Inc.
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
ABIT CORPORATION holds 1 registered blocks in the IEEE registry, ranking #3,774 of 33,421 organizations by block count.