MAC prefix 20:CE:2A:3
Cuculus GmbH
| Vendor | Cuculus GmbH |
|---|---|
| Short name | Cuculus |
| Prefix | 20:CE:2A:3/28 |
| Block type | MA-M (/28, 1,048,576 addresses) |
| Address range | 20:CE:2A:30:00:00 – 20:CE:2A:3F:FF:FF |
| Notations | 20:CE:2A:30:00:0020-CE-2A-30-00-0020ce.2a30.000020CE2A300000 |
Frequently asked questions
Which vendor does MAC address 20:CE:2A:3 belong to?
MAC addresses starting with 20:CE:2A:3 are assigned to Cuculus GmbH according to the IEEE registry (prefix length 28 bits).
How many addresses does block 20:CE:2A:3 contain?
The block contains 1,048,576 addresses from 20:CE:2A:30:00:00 to 20:CE:2A:3F:FF:FF.
Is 20:CE:2A:3 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.