MAC prefix 00:11:FB

Heidelberg Engineering GmbH

VendorHeidelberg Engineering GmbH
Short nameHeidelbergEn
Prefix00:11:FB/24
Block typeMA-L (/24, 16,777,216 addresses)
Address range00:11:FB:00:00:00 – 00:11:FB:FF:FF:FF
Notations00:11:FB:00:00:00
00-11-FB-00-00-00
0011.fb00.0000
0011FB000000

Frequently asked questions

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

MAC addresses starting with 00:11:FB are assigned to Heidelberg Engineering GmbH according to the IEEE registry (prefix length 24 bits).

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

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

Is 00:11:FB 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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