MAC prefix AC:EF:92:B
Hunan ciwei intelligent Technology Co., LTD
| Vendor | Hunan ciwei intelligent Technology Co., LTD |
|---|---|
| Short name | Hunanciweiin |
| Prefix | AC:EF:92:B/28 |
| Block type | MA-M (/28, 1,048,576 addresses) |
| Address range | AC:EF:92:B0:00:00 – AC:EF:92:BF:FF:FF |
| Notations | AC:EF:92:B0:00:00AC-EF-92-B0-00-00acef.92b0.0000ACEF92B00000 |
Frequently asked questions
Which vendor does MAC address AC:EF:92:B belong to?
MAC addresses starting with AC:EF:92:B are assigned to Hunan ciwei intelligent Technology Co., LTD according to the IEEE registry (prefix length 28 bits).
How many addresses does block AC:EF:92:B contain?
The block contains 1,048,576 addresses from AC:EF:92:B0:00:00 to AC:EF:92:BF:FF:FF.
Is AC:EF:92:B 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.