What devices use C0EAC3B?

Any network device with a MAC address starting C0:EA:C3:B was manufactured by or for SeongHo Information and Communication Corp..

MA-M · OUI prefix

SeongHo Information and Communication Corp.

Q: Who owns MAC prefix C0EAC3B?

C0EAC3B is registered to SeongHo Information and Communication Corp. in the IEEE MA-M registry.

Any MAC address starting C0:EA:C3:B is registered to SeongHo Information and Communication Corp. in KR.

OUI prefix	C0EAC3B
Vendor	SeongHo Information and Communication Corp.
Registry	MA-M (28-bit, medium block)
Country	KR
Example MAC	C0:EA:C3:B:00:00:00

What this means

The IEEE assigned the MA-M block C0EAC3B to SeongHo Information and Communication Corp.. 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 C0:EA:C3:B, it is SeongHo Information and Communication Corp. hardware.

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