MAC prefix AC:EF:92:3
JiZhiKang (Beijing) Technology Co., Ltd
| Vendor | JiZhiKang (Beijing) Technology Co., Ltd |
|---|---|
| Short name | JiZhiKangTec |
| Prefix | AC:EF:92:3/28 |
| Block type | MA-M (/28, 1,048,576 addresses) |
| Address range | AC:EF:92:30:00:00 – AC:EF:92:3F:FF:FF |
| Notations | AC:EF:92:30:00:00AC-EF-92-30-00-00acef.9230.0000ACEF92300000 |
Frequently asked questions
Which vendor does MAC address AC:EF:92:3 belong to?
MAC addresses starting with AC:EF:92:3 are assigned to JiZhiKang (Beijing) Technology Co., Ltd according to the IEEE registry (prefix length 28 bits).
How many addresses does block AC:EF:92:3 contain?
The block contains 1,048,576 addresses from AC:EF:92:30:00:00 to AC:EF:92:3F:FF:FF.
Is AC:EF:92:3 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.