MAC prefix 14:3B:42
Realfit(Shenzhen) Intelligent Technology Co., Ltd
| Vendor | Realfit(Shenzhen) Intelligent Technology Co., Ltd |
|---|---|
| Short name | RealfitIntel |
| Prefix | 14:3B:42/24 |
| Block type | MA-L (/24, 16,777,216 addresses) |
| Address range | 14:3B:42:00:00:00 – 14:3B:42:FF:FF:FF |
| Notations | 14:3B:42:00:00:0014-3B-42-00-00-00143b.4200.0000143B42000000 |
Frequently asked questions
Which vendor does MAC address 14:3B:42 belong to?
MAC addresses starting with 14:3B:42 are assigned to Realfit(Shenzhen) Intelligent Technology Co., Ltd according to the IEEE registry (prefix length 24 bits).
How many addresses does block 14:3B:42 contain?
The block contains 16,777,216 addresses from 14:3B:42:00:00:00 to 14:3B:42:FF:FF:FF.
Is 14:3B:42 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.