MAC prefix 54:91:AF:D
Ningbo Joynext Technology Corporation
| Vendor | Ningbo Joynext Technology Corporation |
|---|---|
| Short name | NingboJoynex |
| Prefix | 54:91:AF:D/28 |
| Block type | MA-M (/28, 1,048,576 addresses) |
| Address range | 54:91:AF:D0:00:00 – 54:91:AF:DF:FF:FF |
| Notations | 54:91:AF:D0:00:0054-91-AF-D0-00-005491.afd0.00005491AFD00000 |
Frequently asked questions
Which vendor does MAC address 54:91:AF:D belong to?
MAC addresses starting with 54:91:AF:D are assigned to Ningbo Joynext Technology Corporation according to the IEEE registry (prefix length 28 bits).
How many addresses does block 54:91:AF:D contain?
The block contains 1,048,576 addresses from 54:91:AF:D0:00:00 to 54:91:AF:DF:FF:FF.
Is 54:91:AF:D 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.