MAC prefix 48:81:D4
| Vendor | Ruijie Networks Co.,LTD |
|---|---|
| Short name | RuijieNetwor |
| Prefix | 48:81:D4/24 |
| Block type | MA-L (/24, 16,777,216 addresses) |
| Address range | 48:81:D4:00:00:00 – 48:81:D4:FF:FF:FF |
| Notations | 48:81:D4:00:00:0048-81-D4-00-00-004881.d400.00004881D4000000 |
Frequently asked questions
Which vendor does MAC address 48:81:D4 belong to?
MAC addresses starting with 48:81:D4 are assigned to Ruijie Networks Co.,LTD according to the IEEE registry (prefix length 24 bits).
How many addresses does block 48:81:D4 contain?
The block contains 16,777,216 addresses from 48:81:D4:00:00:00 to 48:81:D4:FF:FF:FF.
Is 48:81:D4 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 Ruijie Networks Co.,LTD have?
Ruijie Networks Co.,LTD holds 34 registered prefixes in total – the full list is on the vendor page.