MAC prefix C8:C7:91
Zero1.tv GmbH
| Vendor | Zero1.tv GmbH |
|---|---|
| Short name | Zero1tv |
| Prefix | C8:C7:91/24 |
| Block type | MA-L (/24, 16,777,216 addresses) |
| Address range | C8:C7:91:00:00:00 – C8:C7:91:FF:FF:FF |
| Notations | C8:C7:91:00:00:00C8-C7-91-00-00-00c8c7.9100.0000C8C791000000 |
Frequently asked questions
Which vendor does MAC address C8:C7:91 belong to?
MAC addresses starting with C8:C7:91 are assigned to Zero1.tv GmbH according to the IEEE registry (prefix length 24 bits).
How many addresses does block C8:C7:91 contain?
The block contains 16,777,216 addresses from C8:C7:91:00:00:00 to C8:C7:91:FF:FF:FF.
Is C8:C7:91 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.