MAC prefix 28:2C:02:4
Efento T P Szydłowski K Zaręba Spółka Jawna
| Vendor | Efento T P Szydłowski K Zaręba Spółka Jawna |
|---|---|
| Short name | EfentoTPSzyd |
| Prefix | 28:2C:02:4/28 |
| Block type | MA-M (/28, 1,048,576 addresses) |
| Address range | 28:2C:02:40:00:00 – 28:2C:02:4F:FF:FF |
| Notations | 28:2C:02:40:00:0028-2C-02-40-00-00282c.0240.0000282C02400000 |
Frequently asked questions
Which vendor does MAC address 28:2C:02:4 belong to?
MAC addresses starting with 28:2C:02:4 are assigned to Efento T P Szydłowski K Zaręba Spółka Jawna according to the IEEE registry (prefix length 28 bits).
How many addresses does block 28:2C:02:4 contain?
The block contains 1,048,576 addresses from 28:2C:02:40:00:00 to 28:2C:02:4F:FF:FF.
Is 28:2C:02:4 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 Efento T P Szydłowski K Zaręba Spółka Jawna have?
Efento T P Szydłowski K Zaręba Spółka Jawna holds 2 registered prefixes in total – the full list is on the vendor page.