KST technology (4C:AB:33:00:00:00 /24)

KST technology MA-L

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

Prefix4C:AB:33:00:00:00 /24

Vendor addressBangi-dong, songpa-gu Seoul KR 138-050

Block range4C:AB:33:00:00:00– 4C:AB:33: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

4C:AB:33:00:00:00 4C:AB:33:7F:FF:FF 4C:AB:33:FF:FF:FF

Other blocks registered to KST technology

00:50:C2:FF:80:00 /36 IAB 40:D8:55:18:60:00 /36 IAB 70:B3:D5:01:20:00 /36 MA-S 70:B3:D5:0A:B0:00 /36 MA-S 70:B3:D5:20:B0:00 /36 MA-S 70:B3:D5:35:10:00 /36 MA-S 70:B3:D5:3D:B0:00 /36 MA-S 70:B3:D5:7F:40:00 /36 MA-S 70:B3:D5:86:10:00 /36 MA-S 70:B3:D5:8A:50:00 /36 MA-S 70:B3:D5:8B:B0:00 /36 MA-S 70:B3:D5:C0:50:00 /36 MA-S