MAC prefix 50:0B:91:B
thumbzup UK Limited
| Vendor | thumbzup UK Limited |
|---|---|
| Short name | thumbzupUK |
| Prefix | 50:0B:91:B/28 |
| Block type | MA-M (/28, 1,048,576 addresses) |
| Address range | 50:0B:91:B0:00:00 – 50:0B:91:BF:FF:FF |
| Notations | 50:0B:91:B0:00:0050-0B-91-B0-00-00500b.91b0.0000500B91B00000 |
Frequently asked questions
Which vendor does MAC address 50:0B:91:B belong to?
MAC addresses starting with 50:0B:91:B are assigned to thumbzup UK Limited according to the IEEE registry (prefix length 28 bits).
How many addresses does block 50:0B:91:B contain?
The block contains 1,048,576 addresses from 50:0B:91:B0:00:00 to 50:0B:91:BF:FF:FF.
Is 50:0B:91:B 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.