MAC prefix AC:1D:DF:C
Beijing Chunhong Technology Co., Ltd.
| Vendor | Beijing Chunhong Technology Co., Ltd. |
|---|---|
| Short name | ChunhongTech |
| Prefix | AC:1D:DF:C/28 |
| Block type | MA-M (/28, 1,048,576 addresses) |
| Address range | AC:1D:DF:C0:00:00 – AC:1D:DF:CF:FF:FF |
| Notations | AC:1D:DF:C0:00:00AC-1D-DF-C0-00-00ac1d.dfc0.0000AC1DDFC00000 |
Frequently asked questions
Which vendor does MAC address AC:1D:DF:C belong to?
MAC addresses starting with AC:1D:DF:C are assigned to Beijing Chunhong Technology Co., Ltd. according to the IEEE registry (prefix length 28 bits).
How many addresses does block AC:1D:DF:C contain?
The block contains 1,048,576 addresses from AC:1D:DF:C0:00:00 to AC:1D:DF:CF:FF:FF.
Is AC:1D:DF:C 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.