MAC prefix 00:11:33

Siemens AG Austria

VendorSiemens AG Austria
Short nameSiemensAustr
Prefix00:11:33/24
Block typeMA-L (/24, 16,777,216 addresses)
Address range00:11:33:00:00:00 – 00:11:33:FF:FF:FF
Notations00:11:33:00:00:00
00-11-33-00-00-00
0011.3300.0000
001133000000

Frequently asked questions

Which vendor does MAC address 00:11:33 belong to?

MAC addresses starting with 00:11:33 are assigned to Siemens AG Austria according to the IEEE registry (prefix length 24 bits).

How many addresses does block 00:11:33 contain?

The block contains 16,777,216 addresses from 00:11:33:00:00:00 to 00:11:33:FF:FF:FF.

Is 00:11:33 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 Siemens AG Austria have?

Siemens AG Austria holds 2 registered prefixes in total – the full list is on the vendor page.

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