Who owns MAC prefix 48B253?

48B253 is registered to Marketaxess Corporation in the IEEE MA-L registry.

What devices use 48B253?

Any network device with a MAC address starting 48:B2:53 was manufactured by or for Marketaxess Corporation.

MA-L · OUI prefix

Marketaxess Corporation

Any MAC address starting 48:B2:53 is registered to Marketaxess Corporation in US.

OUI prefix	48B253
Vendor	Marketaxess Corporation
Registry	MA-L (24-bit, large block)
Country	US
Example MAC	48:B2:53:00:00:00

What this means

The IEEE assigned the MA-L block 48B253 to Marketaxess Corporation. 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 48:B2:53, it is Marketaxess Corporation hardware.

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