MAC prefix 18:84:C1
Guangzhou Shiyuan Electronic Technology Company Limited
| Vendor | Guangzhou Shiyuan Electronic Technology Company Limited |
|---|---|
| Short name | GuangzhouShi |
| Prefix | 18:84:C1/24 |
| Block type | MA-L (/24, 16,777,216 addresses) |
| Address range | 18:84:C1:00:00:00 – 18:84:C1:FF:FF:FF |
| Notations | 18:84:C1:00:00:0018-84-C1-00-00-001884.c100.00001884C1000000 |
Frequently asked questions
Which vendor does MAC address 18:84:C1 belong to?
MAC addresses starting with 18:84:C1 are assigned to Guangzhou Shiyuan Electronic Technology Company Limited according to the IEEE registry (prefix length 24 bits).
How many addresses does block 18:84:C1 contain?
The block contains 16,777,216 addresses from 18:84:C1:00:00:00 to 18:84:C1:FF:FF:FF.
Is 18:84:C1 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 Guangzhou Shiyuan Electronic Technology Company Limited have?
Guangzhou Shiyuan Electronic Technology Company Limited holds 32 registered prefixes in total – the full list is on the vendor page.