MAC prefix 4C:4B:F9:B

Stored Energy Systems

VendorStored Energy Systems
Short nameStoredEnergy
Prefix4C:4B:F9:B/28
Block typeMA-M (/28, 1,048,576 addresses)
Address range4C:4B:F9:B0:00:00 – 4C:4B:F9:BF:FF:FF
Notations4C:4B:F9:B0:00:00
4C-4B-F9-B0-00-00
4c4b.f9b0.0000
4C4BF9B00000

Frequently asked questions

Which vendor does MAC address 4C:4B:F9:B belong to?

MAC addresses starting with 4C:4B:F9:B are assigned to Stored Energy Systems according to the IEEE registry (prefix length 28 bits).

How many addresses does block 4C:4B:F9:B contain?

The block contains 1,048,576 addresses from 4C:4B:F9:B0:00:00 to 4C:4B:F9:BF:FF:FF.

Is 4C:4B:F9:B 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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