MAC prefix EC:5B:CD:9
| Vendor | C&D Technologies |
|---|---|
| Short name | C&DTechnolog |
| Prefix | EC:5B:CD:9/28 |
| Block type | MA-M (/28, 1,048,576 addresses) |
| Address range | EC:5B:CD:90:00:00 – EC:5B:CD:9F:FF:FF |
| Notations | EC:5B:CD:90:00:00EC-5B-CD-90-00-00ec5b.cd90.0000EC5BCD900000 |
Frequently asked questions
Which vendor does MAC address EC:5B:CD:9 belong to?
MAC addresses starting with EC:5B:CD:9 are assigned to C&D Technologies according to the IEEE registry (prefix length 28 bits).
How many addresses does block EC:5B:CD:9 contain?
The block contains 1,048,576 addresses from EC:5B:CD:90:00:00 to EC:5B:CD:9F:FF:FF.
Is EC:5B:CD:9 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 C&D Technologies have?
C&D Technologies holds 2 registered prefixes in total – the full list is on the vendor page.