MAC prefix 2C:B1:B7

Mellanox Technologies, Inc.

VendorMellanox Technologies, Inc.
Short nameMellanoxTech
Prefix2C:B1:B7/24
Block typeMA-L (/24, 16,777,216 addresses)
Address range2C:B1:B7:00:00:00 – 2C:B1:B7:FF:FF:FF
Notations2C:B1:B7:00:00:00
2C-B1-B7-00-00-00
2cb1.b700.0000
2CB1B7000000

Frequently asked questions

Which vendor does MAC address 2C:B1:B7 belong to?

MAC addresses starting with 2C:B1:B7 are assigned to Mellanox Technologies, Inc. according to the IEEE registry (prefix length 24 bits).

How many addresses does block 2C:B1:B7 contain?

The block contains 16,777,216 addresses from 2C:B1:B7:00:00:00 to 2C:B1:B7:FF:FF:FF.

Is 2C:B1:B7 a unicast or multicast address?

The least significant bit of the first byte is 0 – it is a unicast address. The U/L bit is 0, so the address is globally unique (universally administered).

How do I find the MAC address of my device?

On Linux use ip link, on Windows getmac /v or ipconfig /all, on macOS ifconfig. Note: phones and recent operating systems often use random, locally administered addresses on Wi-Fi.

Which other MAC prefixes does Mellanox Technologies, Inc. have?

Mellanox Technologies, Inc. holds 83 registered prefixes in total – the full list is on the vendor page.

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