MAC prefix EC:21:25
| Vendor | Toshiba Corp. |
|---|---|
| Short name | Toshiba |
| Prefix | EC:21:25/24 |
| Block type | MA-L (/24, 16,777,216 addresses) |
| Address range | EC:21:25:00:00:00 – EC:21:25:FF:FF:FF |
| Notations | EC:21:25:00:00:00EC-21-25-00-00-00ec21.2500.0000EC2125000000 |
Frequently asked questions
Which vendor does MAC address EC:21:25 belong to?
MAC addresses starting with EC:21:25 are assigned to Toshiba Corp. according to the IEEE registry (prefix length 24 bits).
How many addresses does block EC:21:25 contain?
The block contains 16,777,216 addresses from EC:21:25:00:00:00 to EC:21:25:FF:FF:FF.
Is EC:21:25 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 Toshiba Corp. have?
Toshiba Corp. holds 17 registered prefixes in total – the full list is on the vendor page.