MAC prefix 4C:81:BE:9
Shenzhen Jooan Technology Co., Ltd
| Vendor | Shenzhen Jooan Technology Co., Ltd |
|---|---|
| Short name | JooanTechnol |
| Prefix | 4C:81:BE:9/28 |
| Block type | MA-M (/28, 1,048,576 addresses) |
| Address range | 4C:81:BE:90:00:00 – 4C:81:BE:9F:FF:FF |
| Notations | 4C:81:BE:90:00:004C-81-BE-90-00-004c81.be90.00004C81BE900000 |
Frequently asked questions
Which vendor does MAC address 4C:81:BE:9 belong to?
MAC addresses starting with 4C:81:BE:9 are assigned to Shenzhen Jooan Technology Co., Ltd according to the IEEE registry (prefix length 28 bits).
How many addresses does block 4C:81:BE:9 contain?
The block contains 1,048,576 addresses from 4C:81:BE:90:00:00 to 4C:81:BE:9F:FF:FF.
Is 4C:81:BE:9 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 Shenzhen Jooan Technology Co., Ltd have?
Shenzhen Jooan Technology Co., Ltd holds 10 registered prefixes in total – the full list is on the vendor page.