MAC prefix 1C:A0:D3:B
Guang Dong He Zheng Network Technology Co.,Ltd
| Vendor | Guang Dong He Zheng Network Technology Co.,Ltd |
|---|---|
| Short name | GuangDongHeZ |
| Prefix | 1C:A0:D3:B/28 |
| Block type | MA-M (/28, 1,048,576 addresses) |
| Address range | 1C:A0:D3:B0:00:00 – 1C:A0:D3:BF:FF:FF |
| Notations | 1C:A0:D3:B0:00:001C-A0-D3-B0-00-001ca0.d3b0.00001CA0D3B00000 |
Frequently asked questions
Which vendor does MAC address 1C:A0:D3:B belong to?
MAC addresses starting with 1C:A0:D3:B are assigned to Guang Dong He Zheng Network Technology Co.,Ltd according to the IEEE registry (prefix length 28 bits).
How many addresses does block 1C:A0:D3:B contain?
The block contains 1,048,576 addresses from 1C:A0:D3:B0:00:00 to 1C:A0:D3:BF:FF:FF.
Is 1C:A0:D3: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.