Who owns MAC prefix 0C42A1?

0C42A1 is registered to Mellanox Technologies, Inc. in the IEEE MA-L registry.

What devices use 0C42A1?

Any network device with a MAC address starting 0C:42:A1 was manufactured by or for Mellanox Technologies, Inc..

MA-L · OUI prefix

Mellanox Technologies, Inc.

Any MAC address starting 0C:42:A1 is registered to Mellanox Technologies, Inc. in US.

OUI prefix	0C42A1
Vendor	Mellanox Technologies, Inc.
Registry	MA-L (24-bit, large block)
Country	US
Example MAC	0C:42:A1:00:00:00

What this means

The IEEE assigned the MA-L block 0C42A1 to Mellanox Technologies, Inc.. 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 0C:42:A1, it is Mellanox Technologies, Inc. hardware.

Other Mellanox Technologies, Inc. prefixes

Mellanox Technologies, Inc. holds 75 registered blocks in total.

0002C9 00258B 0423A3 043F72 04C5CD 0820E7 08C0EB 1070FD 18D0E1 1C34DA 204D52 2059D1 all 75 »

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