MAC prefix F0:21:78
| Vendor | Unionman Technology Co.,Ltd |
|---|---|
| Short name | UnionmanTech |
| Prefix | F0:21:78/24 |
| Block type | MA-L (/24, 16,777,216 addresses) |
| Address range | F0:21:78:00:00:00 – F0:21:78:FF:FF:FF |
| Notations | F0:21:78:00:00:00F0-21-78-00-00-00f021.7800.0000F02178000000 |
Frequently asked questions
Which vendor does MAC address F0:21:78 belong to?
MAC addresses starting with F0:21:78 are assigned to Unionman Technology Co.,Ltd according to the IEEE registry (prefix length 24 bits).
How many addresses does block F0:21:78 contain?
The block contains 16,777,216 addresses from F0:21:78:00:00:00 to F0:21:78:FF:FF:FF.
Is F0:21:78 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 Unionman Technology Co.,Ltd have?
Unionman Technology Co.,Ltd holds 12 registered prefixes in total – the full list is on the vendor page.