MAC prefix 78:72:64:D

QT systems ab

VendorQT systems ab
Short nameQT
Prefix78:72:64:D/28
Block typeMA-M (/28, 1,048,576 addresses)
Address range78:72:64:D0:00:00 – 78:72:64:DF:FF:FF
Notations78:72:64:D0:00:00
78-72-64-D0-00-00
7872.64d0.0000
787264D00000

Frequently asked questions

Which vendor does MAC address 78:72:64:D belong to?

MAC addresses starting with 78:72:64:D are assigned to QT systems ab according to the IEEE registry (prefix length 28 bits).

How many addresses does block 78:72:64:D contain?

The block contains 1,048,576 addresses from 78:72:64:D0:00:00 to 78:72:64:DF:FF:FF.

Is 78:72:64:D 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 QT systems ab have?

QT systems ab holds 2 registered prefixes in total – the full list is on the vendor page.

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