MAC prefix C4:57:81
Wingtech Group (HongKong) Limited
| Vendor | Wingtech Group (HongKong) Limited |
|---|---|
| Short name | WingtechGrou |
| Prefix | C4:57:81/24 |
| Block type | MA-L (/24, 16,777,216 addresses) |
| Address range | C4:57:81:00:00:00 – C4:57:81:FF:FF:FF |
| Notations | C4:57:81:00:00:00C4-57-81-00-00-00c457.8100.0000C45781000000 |
Frequently asked questions
Which vendor does MAC address C4:57:81 belong to?
MAC addresses starting with C4:57:81 are assigned to Wingtech Group (HongKong) Limited according to the IEEE registry (prefix length 24 bits).
How many addresses does block C4:57:81 contain?
The block contains 16,777,216 addresses from C4:57:81:00:00:00 to C4:57:81:FF:FF:FF.
Is C4:57:81 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 Wingtech Group (HongKong) Limited have?
Wingtech Group (HongKong) Limited holds 6 registered prefixes in total – the full list is on the vendor page.