MAC prefix 28:B7:7C:A
| Vendor | Simaudio Ltd |
|---|---|
| Short name | Simaudio |
| Prefix | 28:B7:7C:A/28 |
| Block type | MA-M (/28, 1,048,576 addresses) |
| Address range | 28:B7:7C:A0:00:00 – 28:B7:7C:AF:FF:FF |
| Notations | 28:B7:7C:A0:00:0028-B7-7C-A0-00-0028b7.7ca0.000028B77CA00000 |
Frequently asked questions
Which vendor does MAC address 28:B7:7C:A belong to?
MAC addresses starting with 28:B7:7C:A are assigned to Simaudio Ltd according to the IEEE registry (prefix length 28 bits).
How many addresses does block 28:B7:7C:A contain?
The block contains 1,048,576 addresses from 28:B7:7C:A0:00:00 to 28:B7:7C:AF:FF:FF.
Is 28:B7:7C:A 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 Simaudio Ltd have?
Simaudio Ltd holds 2 registered prefixes in total – the full list is on the vendor page.