MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
PrefixDC:74:CE:00:00:00 /24
Vendor addressKamiyacho Trust Tower, 4-1-1, Toranomon, Minato-ku, Tokyo Tokyo JP 105-6950
Country🇯🇵 Japan
RegisteredDec 15, 2025
Block rangeDC:74:CE:00:00:00– DC:74:CE: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.
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Example addresses in this block
Where this block sits
ITOCHU Techno-Solutions Corporation holds 1 registered blocks in the IEEE registry, ranking #16,855 of 33,427 organizations by block count.