MAC prefix 7C:47:7C:D
| Vendor | Speedifi Inc |
|---|---|
| Short name | Speedifi |
| Prefix | 7C:47:7C:D/28 |
| Block type | MA-M (/28, 1,048,576 addresses) |
| Address range | 7C:47:7C:D0:00:00 – 7C:47:7C:DF:FF:FF |
| Notations | 7C:47:7C:D0:00:007C-47-7C-D0-00-007c47.7cd0.00007C477CD00000 |
Frequently asked questions
Which vendor does MAC address 7C:47:7C:D belong to?
MAC addresses starting with 7C:47:7C:D are assigned to Speedifi Inc according to the IEEE registry (prefix length 28 bits).
How many addresses does block 7C:47:7C:D contain?
The block contains 1,048,576 addresses from 7C:47:7C:D0:00:00 to 7C:47:7C:DF:FF:FF.
Is 7C:47:7C:D 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 Speedifi Inc have?
Speedifi Inc holds 2 registered prefixes in total – the full list is on the vendor page.