WNC Corporation

MA-L

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

Prefix28:24:FF:00:00:00 /24

Vendor addressNo.20,Park Avenue II,Hsinchu Science Park Hsin-Chu R.O.C. TW 308

RegisteredApr 23, 2016

Block range28:24:FF:00:00:00– 28:24:FF: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 →

Ownership timeline

Apr 23, 2016 – Sep 19, 2025 Wistron Neweb Corporation name changed
Sep 19, 2025 – present WNC Corporation

Example addresses in this block

28:24:FF:00:00:00 28:24:FF:7F:FF:FF 28:24:FF:FF:FF:FF

Where this block sits

WNC Corporation holds 51 registered blocks in the IEEE registry, ranking #71 of 33,427 organizations by block count.

Other blocks registered to WNC Corporation

00:0B:6B:00:00:00 /24 MA-L 00:1B:B1:00:00:00 /24 MA-L 04:B3:C9:00:00:00 /24 MA-L 10:E8:A7:00:00:00 /24 MA-L 1C:D6:BE:00:00:00 /24 MA-L 20:58:43:00:00:00 /24 MA-L 24:41:FE:00:00:00 /24 MA-L 28:04:7A:00:00:00 /24 MA-L 28:2E:89:00:00:00 /24 MA-L 2C:9F:FB:00:00:00 /24 MA-L 2C:DC:AD:00:00:00 /24 MA-L 30:14:4A:00:00:00 /24 MA-L