Who owns MAC prefix 4CAB33?

4CAB33 is registered to KST technology in the IEEE MA-L registry.

What devices use 4CAB33?

Any network device with a MAC address starting 4C:AB:33 was manufactured by or for KST technology.

MA-L · OUI prefix

KST technology

Any MAC address starting 4C:AB:33 is registered to KST technology in KR.

OUI prefix	4CAB33
Vendor	KST technology
Registry	MA-L (24-bit, large block)
Country	KR
Example MAC	4C:AB:33:00:00:00

What this means

The IEEE assigned the MA-L block 4CAB33 to KST technology. Every network interface they manufacture under this block has a MAC address beginning with these digits, followed by a unique per-device identifier. If a device on your network shows a MAC starting 4C:AB:33, it is KST technology hardware.

Other KST technology prefixes

KST technology holds 18 registered blocks in total.

70B3D5012 70B3D50AB 70B3D520B 70B3D5351 70B3D53DB 70B3D57F4 70B3D5861 70B3D58A5 70B3D58BB 70B3D5C05 70B3D5C8D 70B3D5CB3 all 18 »

Look up another MAC