Kaco Solar Korea

MA-L

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

Prefix00:21:48:00:00:00 /24

Vendor addressChung-won-ku Sang-dea-won-dong 333-1 Songnam Kyung-kido KR 462-806

RegisteredJun 18, 2008

Block range00:21:48:00:00:00– 00:21:48: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

00:21:48:00:00:00 00:21:48:7F:FF:FF 00:21:48:FF:FF:FF

Where this block sits

Previous 00:21:47:00:00:00 /24 Nintendo Co., Ltd. Next 00:21:49:00:00:00 /24 China Daheng Group ,Inc.

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

Kaco Solar Korea holds 1 registered blocks in the IEEE registry, ranking #17,416 of 33,427 organizations by block count.