MAC prefix 4C:45:53

Silicon Laboratories

VendorSilicon Laboratories
Short nameSiliconLabor
Prefix4C:45:53/24
Block typeMA-L (/24, 16,777,216 addresses)
Address range4C:45:53:00:00:00 – 4C:45:53:FF:FF:FF
Notations4C:45:53:00:00:00
4C-45-53-00-00-00
4c45.5300.0000
4C4553000000

Frequently asked questions

Which vendor does MAC address 4C:45:53 belong to?

MAC addresses starting with 4C:45:53 are assigned to Silicon Laboratories according to the IEEE registry (prefix length 24 bits).

How many addresses does block 4C:45:53 contain?

The block contains 16,777,216 addresses from 4C:45:53:00:00:00 to 4C:45:53:FF:FF:FF.

Is 4C:45:53 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 Silicon Laboratories have?

Silicon Laboratories holds 162 registered prefixes in total – the full list is on the vendor page.

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