MAC prefix 6C:DF:D9

Concept2, Inc.

VendorConcept2, Inc.
Short nameConcept2
Prefix6C:DF:D9/24
Block typeMA-L (/24, 16,777,216 addresses)
Address range6C:DF:D9:00:00:00 – 6C:DF:D9:FF:FF:FF
Notations6C:DF:D9:00:00:00
6C-DF-D9-00-00-00
6cdf.d900.0000
6CDFD9000000

Frequently asked questions

Which vendor does MAC address 6C:DF:D9 belong to?

MAC addresses starting with 6C:DF:D9 are assigned to Concept2, Inc. according to the IEEE registry (prefix length 24 bits).

How many addresses does block 6C:DF:D9 contain?

The block contains 16,777,216 addresses from 6C:DF:D9:00:00:00 to 6C:DF:D9:FF:FF:FF.

Is 6C:DF:D9 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.

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