MAC prefix 18:C3:E4:D

CASE Deutschland GmbH

VendorCASE Deutschland GmbH
Short nameCASEDeutschl
Prefix18:C3:E4:D/28
Block typeMA-M (/28, 1,048,576 addresses)
Address range18:C3:E4:D0:00:00 – 18:C3:E4:DF:FF:FF
Notations18:C3:E4:D0:00:00
18-C3-E4-D0-00-00
18c3.e4d0.0000
18C3E4D00000

Frequently asked questions

Which vendor does MAC address 18:C3:E4:D belong to?

MAC addresses starting with 18:C3:E4:D are assigned to CASE Deutschland GmbH according to the IEEE registry (prefix length 28 bits).

How many addresses does block 18:C3:E4:D contain?

The block contains 1,048,576 addresses from 18:C3:E4:D0:00:00 to 18:C3:E4:DF:FF:FF.

Is 18:C3:E4:D 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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