MAC prefix B4:74:47
CoreOS
| Vendor | CoreOS |
|---|---|
| Prefix | B4:74:47/24 |
| Block type | MA-L (/24, 16,777,216 addresses) |
| Address range | B4:74:47:00:00:00 – B4:74:47:FF:FF:FF |
| Notations | B4:74:47:00:00:00B4-74-47-00-00-00b474.4700.0000B47447000000 |
Frequently asked questions
Which vendor does MAC address B4:74:47 belong to?
MAC addresses starting with B4:74:47 are assigned to CoreOS according to the IEEE registry (prefix length 24 bits).
How many addresses does block B4:74:47 contain?
The block contains 16,777,216 addresses from B4:74:47:00:00:00 to B4:74:47:FF:FF:FF.
Is B4:74:47 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.