Who owns MAC prefix 403668?

403668 is registered to E&B TELECOM in the IEEE MA-L registry.

What devices use 403668?

Any network device with a MAC address starting 40:36:68 was manufactured by or for E&B TELECOM.

MA-L · OUI prefix

E&B TELECOM

Any MAC address starting 40:36:68 is registered to E&B TELECOM in KR.

OUI prefix	403668
Vendor	E&B TELECOM
Registry	MA-L (24-bit, large block)
Country	KR
Example MAC	40:36:68:00:00:00

What this means

The IEEE assigned the MA-L block 403668 to E&B TELECOM. 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 40:36:68, it is E&B TELECOM hardware.

Look up another MAC