Who owns MAC prefix 189A67?

189A67 is registered to CSE-Servelec Limited in the IEEE MA-L registry.

What devices use 189A67?

Any network device with a MAC address starting 18:9A:67 was manufactured by or for CSE-Servelec Limited.

MA-L · OUI prefix

CSE-Servelec Limited

Any MAC address starting 18:9A:67 is registered to CSE-Servelec Limited.

OUI prefix	189A67
Vendor	CSE-Servelec Limited
Registry	MA-L (24-bit, large block)
Example MAC	18:9A:67:00:00:00

What this means

The IEEE assigned the MA-L block 189A67 to CSE-Servelec Limited. 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 18:9A:67, it is CSE-Servelec Limited hardware.

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