MAC prefix 34:5C:40

Cargt Holdings LLC

VendorCargt Holdings LLC
Short nameCargtHolding
Prefix34:5C:40/24
Block typeMA-L (/24, 16,777,216 addresses)
Address range34:5C:40:00:00:00 – 34:5C:40:FF:FF:FF
Notations34:5C:40:00:00:00
34-5C-40-00-00-00
345c.4000.0000
345C40000000

Frequently asked questions

Which vendor does MAC address 34:5C:40 belong to?

MAC addresses starting with 34:5C:40 are assigned to Cargt Holdings LLC according to the IEEE registry (prefix length 24 bits).

How many addresses does block 34:5C:40 contain?

The block contains 16,777,216 addresses from 34:5C:40:00:00:00 to 34:5C:40:FF:FF:FF.

Is 34:5C:40 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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