MAC prefix 00:40:DF

Digalog Systems, Inc.

VendorDigalog Systems, Inc.
Short nameDigalog
Prefix00:40:DF/24
Block typeMA-L (/24, 16,777,216 addresses)
Address range00:40:DF:00:00:00 – 00:40:DF:FF:FF:FF
Notations00:40:DF:00:00:00
00-40-DF-00-00-00
0040.df00.0000
0040DF000000

Frequently asked questions

Which vendor does MAC address 00:40:DF belong to?

MAC addresses starting with 00:40:DF are assigned to Digalog Systems, Inc. according to the IEEE registry (prefix length 24 bits).

How many addresses does block 00:40:DF contain?

The block contains 16,777,216 addresses from 00:40:DF:00:00:00 to 00:40:DF:FF:FF:FF.

Is 00:40:DF 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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