Korea Bus Broadcasting

MA-M

MA-M: a /28 block, one IEEE assigns within a larger OUI when a full /24 isn't needed, covering 1,048,576 addresses.

Prefix54:08:3B:B0:00:00 /28

Vendor address7F, 24, Bangbaejungang-ro, Seocho-gu Seoul KR 06684

RegisteredFeb 1, 2023

Block range54:08:3B:B0:00:00– 54:08:3B:BF: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

54:08:3B:B0:00:00 54:08:3B:B7:FF:FF 54:08:3B:BF:FF:FF

Where this block sits

Previous 54:08:3B:A0:00:00 /28 Silex Ipari Automatizálási Zrt. Next 54:08:3B:C0:00:00 /28 FairPhone B.V.

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

Korea Bus Broadcasting holds 1 registered blocks in the IEEE registry, ranking #17,869 of 33,427 organizations by block count.