MAC prefix 78:D4:F1:8
Xiamen Cheerzing IOT Technology Co.,Ltd.
| Vendor | Xiamen Cheerzing IOT Technology Co.,Ltd. |
|---|---|
| Short name | XiamenCheerz |
| Prefix | 78:D4:F1:8/28 |
| Block type | MA-M (/28, 1,048,576 addresses) |
| Address range | 78:D4:F1:80:00:00 – 78:D4:F1:8F:FF:FF |
| Notations | 78:D4:F1:80:00:0078-D4-F1-80-00-0078d4.f180.000078D4F1800000 |
Frequently asked questions
Which vendor does MAC address 78:D4:F1:8 belong to?
MAC addresses starting with 78:D4:F1:8 are assigned to Xiamen Cheerzing IOT Technology Co.,Ltd. according to the IEEE registry (prefix length 28 bits).
How many addresses does block 78:D4:F1:8 contain?
The block contains 1,048,576 addresses from 78:D4:F1:80:00:00 to 78:D4:F1:8F:FF:FF.
Is 78:D4:F1:8 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.
Which other MAC prefixes does Xiamen Cheerzing IOT Technology Co.,Ltd. have?
Xiamen Cheerzing IOT Technology Co.,Ltd. holds 2 registered prefixes in total – the full list is on the vendor page.