MAC prefix EC:55:4D
| Vendor | Private |
|---|---|
| Prefix | EC:55:4D/24 |
| Block type | MA-L (/24, 16,777,216 addresses) |
| Address range | EC:55:4D:00:00:00 – EC:55:4D:FF:FF:FF |
| Notations | EC:55:4D:00:00:00EC-55-4D-00-00-00ec55.4d00.0000EC554D000000 |
Frequently asked questions
Which vendor does MAC address EC:55:4D belong to?
MAC addresses starting with EC:55:4D are assigned to Private according to the IEEE registry (prefix length 24 bits).
How many addresses does block EC:55:4D contain?
The block contains 16,777,216 addresses from EC:55:4D:00:00:00 to EC:55:4D:FF:FF:FF.
Is EC:55:4D 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 Private have?
Private holds 240 registered prefixes in total – the full list is on the vendor page.