MAC prefix 54:91:AF:5
Shenzhen IDSTE Information Technology Co., LTD
| Vendor | Shenzhen IDSTE Information Technology Co., LTD |
|---|---|
| Short name | IDSTEInforma |
| Prefix | 54:91:AF:5/28 |
| Block type | MA-M (/28, 1,048,576 addresses) |
| Address range | 54:91:AF:50:00:00 – 54:91:AF:5F:FF:FF |
| Notations | 54:91:AF:50:00:0054-91-AF-50-00-005491.af50.00005491AF500000 |
Frequently asked questions
Which vendor does MAC address 54:91:AF:5 belong to?
MAC addresses starting with 54:91:AF:5 are assigned to Shenzhen IDSTE Information Technology Co., LTD according to the IEEE registry (prefix length 28 bits).
How many addresses does block 54:91:AF:5 contain?
The block contains 1,048,576 addresses from 54:91:AF:50:00:00 to 54:91:AF:5F:FF:FF.
Is 54:91:AF:5 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.