MAC prefix D4:B7:D0
| Vendor | Ciena Corporation |
|---|---|
| Short name | Ciena |
| Prefix | D4:B7:D0/24 |
| Block type | MA-L (/24, 16,777,216 addresses) |
| Address range | D4:B7:D0:00:00:00 – D4:B7:D0:FF:FF:FF |
| Notations | D4:B7:D0:00:00:00D4-B7-D0-00-00-00d4b7.d000.0000D4B7D0000000 |
Frequently asked questions
Which vendor does MAC address D4:B7:D0 belong to?
MAC addresses starting with D4:B7:D0 are assigned to Ciena Corporation according to the IEEE registry (prefix length 24 bits).
How many addresses does block D4:B7:D0 contain?
The block contains 16,777,216 addresses from D4:B7:D0:00:00:00 to D4:B7:D0:FF:FF:FF.
Is D4:B7:D0 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 Ciena Corporation have?
Ciena Corporation holds 32 registered prefixes in total – the full list is on the vendor page.