MAC prefix 0C:FE:5D:9

Celerway Communication AS

VendorCelerway Communication AS
Short nameCelerwayComm
Prefix0C:FE:5D:9/28
Block typeMA-M (/28, 1,048,576 addresses)
Address range0C:FE:5D:90:00:00 – 0C:FE:5D:9F:FF:FF
Notations0C:FE:5D:90:00:00
0C-FE-5D-90-00-00
0cfe.5d90.0000
0CFE5D900000

Frequently asked questions

Which vendor does MAC address 0C:FE:5D:9 belong to?

MAC addresses starting with 0C:FE:5D:9 are assigned to Celerway Communication AS according to the IEEE registry (prefix length 28 bits).

How many addresses does block 0C:FE:5D:9 contain?

The block contains 1,048,576 addresses from 0C:FE:5D:90:00:00 to 0C:FE:5D:9F:FF:FF.

Is 0C:FE:5D:9 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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