MAC prefix 04:7B:43:C
RR Technologies GmbH
| Vendor | RR Technologies GmbH |
|---|---|
| Short name | RRTechnologi |
| Prefix | 04:7B:43:C/28 |
| Block type | MA-M (/28, 1,048,576 addresses) |
| Address range | 04:7B:43:C0:00:00 – 04:7B:43:CF:FF:FF |
| Notations | 04:7B:43:C0:00:0004-7B-43-C0-00-00047b.43c0.0000047B43C00000 |
Frequently asked questions
Which vendor does MAC address 04:7B:43:C belong to?
MAC addresses starting with 04:7B:43:C are assigned to RR Technologies GmbH according to the IEEE registry (prefix length 28 bits).
How many addresses does block 04:7B:43:C contain?
The block contains 1,048,576 addresses from 04:7B:43:C0:00:00 to 04:7B:43:CF:FF:FF.
Is 04:7B:43:C 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.