MAC prefix 40:E9:9B

Samsung Electro-Mechanics(Thailand)

VendorSamsung Electro-Mechanics(Thailand)
Short nameSamsungElect
Prefix40:E9:9B/24
Block typeMA-L (/24, 16,777,216 addresses)
Address range40:E9:9B:00:00:00 – 40:E9:9B:FF:FF:FF
Notations40:E9:9B:00:00:00
40-E9-9B-00-00-00
40e9.9b00.0000
40E99B000000

Frequently asked questions

Which vendor does MAC address 40:E9:9B belong to?

MAC addresses starting with 40:E9:9B are assigned to Samsung Electro-Mechanics(Thailand) according to the IEEE registry (prefix length 24 bits).

How many addresses does block 40:E9:9B contain?

The block contains 16,777,216 addresses from 40:E9:9B:00:00:00 to 40:E9:9B:FF:FF:FF.

Is 40:E9:9B 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 Samsung Electro-Mechanics(Thailand) have?

Samsung Electro-Mechanics(Thailand) holds 34 registered prefixes in total – the full list is on the vendor page.

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