MAC prefix 28:B7:7C:7
Convertertec Deutschland GmbH
| Vendor | Convertertec Deutschland GmbH |
|---|---|
| Short name | Convertertec |
| Prefix | 28:B7:7C:7/28 |
| Block type | MA-M (/28, 1,048,576 addresses) |
| Address range | 28:B7:7C:70:00:00 – 28:B7:7C:7F:FF:FF |
| Notations | 28:B7:7C:70:00:0028-B7-7C-70-00-0028b7.7c70.000028B77C700000 |
Frequently asked questions
Which vendor does MAC address 28:B7:7C:7 belong to?
MAC addresses starting with 28:B7:7C:7 are assigned to Convertertec Deutschland GmbH according to the IEEE registry (prefix length 28 bits).
How many addresses does block 28:B7:7C:7 contain?
The block contains 1,048,576 addresses from 28:B7:7C:70:00:00 to 28:B7:7C:7F:FF:FF.
Is 28:B7:7C:7 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.