MAC prefix 20:21:41
| Vendor | Universal Electronics BV |
|---|---|
| Short name | UniversalEle |
| Prefix | 20:21:41/24 |
| Block type | MA-L (/24, 16,777,216 addresses) |
| Address range | 20:21:41:00:00:00 – 20:21:41:FF:FF:FF |
| Notations | 20:21:41:00:00:0020-21-41-00-00-002021.4100.0000202141000000 |
Frequently asked questions
Which vendor does MAC address 20:21:41 belong to?
MAC addresses starting with 20:21:41 are assigned to Universal Electronics BV according to the IEEE registry (prefix length 24 bits).
How many addresses does block 20:21:41 contain?
The block contains 16,777,216 addresses from 20:21:41:00:00:00 to 20:21:41:FF:FF:FF.
Is 20:21:41 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 Universal Electronics BV have?
Universal Electronics BV holds 30 registered prefixes in total – the full list is on the vendor page.