MAC prefix C8:FF:BF:4
Beijing Jingyibeifang Instrument Co.,Ltd.
| Vendor | Beijing Jingyibeifang Instrument Co.,Ltd. |
|---|---|
| Short name | Jingyibeifan |
| Prefix | C8:FF:BF:4/28 |
| Block type | MA-M (/28, 1,048,576 addresses) |
| Address range | C8:FF:BF:40:00:00 – C8:FF:BF:4F:FF:FF |
| Notations | C8:FF:BF:40:00:00C8-FF-BF-40-00-00c8ff.bf40.0000C8FFBF400000 |
Frequently asked questions
Which vendor does MAC address C8:FF:BF:4 belong to?
MAC addresses starting with C8:FF:BF:4 are assigned to Beijing Jingyibeifang Instrument Co.,Ltd. according to the IEEE registry (prefix length 28 bits).
How many addresses does block C8:FF:BF:4 contain?
The block contains 1,048,576 addresses from C8:FF:BF:40:00:00 to C8:FF:BF:4F:FF:FF.
Is C8:FF:BF:4 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.