MAC prefix 00:40:46

Udc Research Limited

VendorUdc Research Limited
Short nameUdcResearch
Prefix00:40:46/24
Block typeMA-L (/24, 16,777,216 addresses)
Address range00:40:46:00:00:00 – 00:40:46:FF:FF:FF
Notations00:40:46:00:00:00
00-40-46-00-00-00
0040.4600.0000
004046000000

Frequently asked questions

Which vendor does MAC address 00:40:46 belong to?

MAC addresses starting with 00:40:46 are assigned to Udc Research Limited according to the IEEE registry (prefix length 24 bits).

How many addresses does block 00:40:46 contain?

The block contains 16,777,216 addresses from 00:40:46:00:00:00 to 00:40:46:FF:FF:FF.

Is 00:40:46 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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