MAC prefix 4C:91:7A:C
Alibaba (Beijing) Software Service Inc.
| Vendor | Alibaba (Beijing) Software Service Inc. |
|---|---|
| Short name | AlibabaSoftw |
| Prefix | 4C:91:7A:C/28 |
| Block type | MA-M (/28, 1,048,576 addresses) |
| Address range | 4C:91:7A:C0:00:00 – 4C:91:7A:CF:FF:FF |
| Notations | 4C:91:7A:C0:00:004C-91-7A-C0-00-004c91.7ac0.00004C917AC00000 |
Frequently asked questions
Which vendor does MAC address 4C:91:7A:C belong to?
MAC addresses starting with 4C:91:7A:C are assigned to Alibaba (Beijing) Software Service Inc. according to the IEEE registry (prefix length 28 bits).
How many addresses does block 4C:91:7A:C contain?
The block contains 1,048,576 addresses from 4C:91:7A:C0:00:00 to 4C:91:7A:CF:FF:FF.
Is 4C:91:7A:C 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.