MAC prefix 50:DE:19:A

Tannak International AB

VendorTannak International AB
Short nameTannakIntern
Prefix50:DE:19:A/28
Block typeMA-M (/28, 1,048,576 addresses)
Address range50:DE:19:A0:00:00 – 50:DE:19:AF:FF:FF
Notations50:DE:19:A0:00:00
50-DE-19-A0-00-00
50de.19a0.0000
50DE19A00000

Frequently asked questions

Which vendor does MAC address 50:DE:19:A belong to?

MAC addresses starting with 50:DE:19:A are assigned to Tannak International AB according to the IEEE registry (prefix length 28 bits).

How many addresses does block 50:DE:19:A contain?

The block contains 1,048,576 addresses from 50:DE:19:A0:00:00 to 50:DE:19:AF:FF:FF.

Is 50:DE:19:A 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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