MAC prefix 18:C3:F4:C
Hangzhou Zhongkejiguang Technology Co., Ltd
| Vendor | Hangzhou Zhongkejiguang Technology Co., Ltd |
|---|---|
| Short name | Zhongkejigua |
| Prefix | 18:C3:F4:C/28 |
| Block type | MA-M (/28, 1,048,576 addresses) |
| Address range | 18:C3:F4:C0:00:00 – 18:C3:F4:CF:FF:FF |
| Notations | 18:C3:F4:C0:00:0018-C3-F4-C0-00-0018c3.f4c0.000018C3F4C00000 |
Frequently asked questions
Which vendor does MAC address 18:C3:F4:C belong to?
MAC addresses starting with 18:C3:F4:C are assigned to Hangzhou Zhongkejiguang Technology Co., Ltd according to the IEEE registry (prefix length 28 bits).
How many addresses does block 18:C3:F4:C contain?
The block contains 1,048,576 addresses from 18:C3:F4:C0:00:00 to 18:C3:F4:CF:FF:FF.
Is 18:C3:F4: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.