Top-Unum Electronics Co., LTD (30:2B:DC:00:00:00 /24)

Top-Unum Electronics Co., LTD MA-L

MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.

Prefix30:2B:DC:00:00:00 /24

Vendor addressNo. 58, Ln. 137, Jianshan Rd., Yingge Dist., New Taipei City 239, Taiwan CN 239

Block range30:2B:DC:00:00:00– 30:2B:DC: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

30:2B:DC:00:00:00 30:2B:DC:7F:FF:FF 30:2B:DC:FF:FF:FF