MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix7C:51:84:00:00:00 /24
Vendor addressRoom 302, Block B, Ziguang Xinyun, No. 2555 Yizhou Avenue, High-tech Zone, Chengdu Sichuan CN 610000
RegisteredAug 29, 2024
Block range7C:51:84:00:00:00– 7C:51:84: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

The nearest registered blocks of the same size on either side of this one in IEEE's address space.

Unis Flash Memory Technology(Chengdu)Co.,Ltd. holds 1 registered blocks in the IEEE registry, ranking #30,976 of 33,427 organizations by block count.