MAC prefix C4:A1:0E:5
O-NET Industrial Technologies (Shenzhen) Limited
| Vendor | O-NET Industrial Technologies (Shenzhen) Limited |
|---|---|
| Short name | ONETIndustri |
| Prefix | C4:A1:0E:5/28 |
| Block type | MA-M (/28, 1,048,576 addresses) |
| Address range | C4:A1:0E:50:00:00 – C4:A1:0E:5F:FF:FF |
| Notations | C4:A1:0E:50:00:00C4-A1-0E-50-00-00c4a1.0e50.0000C4A10E500000 |
Frequently asked questions
Which vendor does MAC address C4:A1:0E:5 belong to?
MAC addresses starting with C4:A1:0E:5 are assigned to O-NET Industrial Technologies (Shenzhen) Limited according to the IEEE registry (prefix length 28 bits).
How many addresses does block C4:A1:0E:5 contain?
The block contains 1,048,576 addresses from C4:A1:0E:50:00:00 to C4:A1:0E:5F:FF:FF.
Is C4:A1:0E:5 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.