MAC prefix 78:CA:83:4
Pinhole (Beijing) Technology Co., Ltd.
| Vendor | Pinhole (Beijing) Technology Co., Ltd. |
|---|---|
| Short name | PinholeTechn |
| Prefix | 78:CA:83:4/28 |
| Block type | MA-M (/28, 1,048,576 addresses) |
| Address range | 78:CA:83:40:00:00 – 78:CA:83:4F:FF:FF |
| Notations | 78:CA:83:40:00:0078-CA-83-40-00-0078ca.8340.000078CA83400000 |
Frequently asked questions
Which vendor does MAC address 78:CA:83:4 belong to?
MAC addresses starting with 78:CA:83:4 are assigned to Pinhole (Beijing) Technology Co., Ltd. according to the IEEE registry (prefix length 28 bits).
How many addresses does block 78:CA:83:4 contain?
The block contains 1,048,576 addresses from 78:CA:83:40:00:00 to 78:CA:83:4F:FF:FF.
Is 78:CA:83:4 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.