MAC prefix 80:77:86:C
Cornerstone Technology (Shenzhen) Limited
| Vendor | Cornerstone Technology (Shenzhen) Limited |
|---|---|
| Short name | CornerstoneT |
| Prefix | 80:77:86:C/28 |
| Block type | MA-M (/28, 1,048,576 addresses) |
| Address range | 80:77:86:C0:00:00 – 80:77:86:CF:FF:FF |
| Notations | 80:77:86:C0:00:0080-77-86-C0-00-008077.86c0.0000807786C00000 |
Frequently asked questions
Which vendor does MAC address 80:77:86:C belong to?
MAC addresses starting with 80:77:86:C are assigned to Cornerstone Technology (Shenzhen) Limited according to the IEEE registry (prefix length 28 bits).
How many addresses does block 80:77:86:C contain?
The block contains 1,048,576 addresses from 80:77:86:C0:00:00 to 80:77:86:CF:FF:FF.
Is 80:77:86: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.