MAC prefix 8C:A5:A1

Oregano Systems - Design & Consulting GmbH

VendorOregano Systems - Design & Consulting GmbH
Short nameOreganoDesig
Prefix8C:A5:A1/24
Block typeMA-L (/24, 16,777,216 addresses)
Address range8C:A5:A1:00:00:00 – 8C:A5:A1:FF:FF:FF
Notations8C:A5:A1:00:00:00
8C-A5-A1-00-00-00
8ca5.a100.0000
8CA5A1000000

Frequently asked questions

Which vendor does MAC address 8C:A5:A1 belong to?

MAC addresses starting with 8C:A5:A1 are assigned to Oregano Systems - Design & Consulting GmbH according to the IEEE registry (prefix length 24 bits).

How many addresses does block 8C:A5:A1 contain?

The block contains 16,777,216 addresses from 8C:A5:A1:00:00:00 to 8C:A5:A1:FF:FF:FF.

Is 8C:A5:A1 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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