MAC prefix 40:2C:76:B
Beijing Kuaiyu Electronic Co., Ltd.
| Vendor | Beijing Kuaiyu Electronic Co., Ltd. |
|---|---|
| Short name | KuaiyuElectr |
| Prefix | 40:2C:76:B/28 |
| Block type | MA-M (/28, 1,048,576 addresses) |
| Address range | 40:2C:76:B0:00:00 – 40:2C:76:BF:FF:FF |
| Notations | 40:2C:76:B0:00:0040-2C-76-B0-00-00402c.76b0.0000402C76B00000 |
Frequently asked questions
Which vendor does MAC address 40:2C:76:B belong to?
MAC addresses starting with 40:2C:76:B are assigned to Beijing Kuaiyu Electronic Co., Ltd. according to the IEEE registry (prefix length 28 bits).
How many addresses does block 40:2C:76:B contain?
The block contains 1,048,576 addresses from 40:2C:76:B0:00:00 to 40:2C:76:BF:FF:FF.
Is 40:2C:76: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.