MAC prefix 00:1B:C5:07:D

Greatcom AG

VendorGreatcom AG
Short nameGreatcom
Prefix00:1B:C5:07:D/36
Block typeMA-S (/36, 4,096 addresses)
Address range00:1B:C5:07:D0:00 – 00:1B:C5:07:DF:FF
Notations00:1B:C5:07:D0:00
00-1B-C5-07-D0-00
001b.c507.d000
001BC507D000

Frequently asked questions

Which vendor does MAC address 00:1B:C5:07:D belong to?

MAC addresses starting with 00:1B:C5:07:D are assigned to Greatcom AG according to the IEEE registry (prefix length 36 bits).

How many addresses does block 00:1B:C5:07:D contain?

The block contains 4,096 addresses from 00:1B:C5:07:D0:00 to 00:1B:C5:07:DF:FF.

Is 00:1B:C5:07: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.

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