MAC prefix 30:B3:A2
Shenzhen Heguang Measurement & Control Technology Co.,Ltd
| Vendor | Shenzhen Heguang Measurement & Control Technology Co.,Ltd |
|---|---|
| Short name | HeguangMeasu |
| Prefix | 30:B3:A2/24 |
| Block type | MA-L (/24, 16,777,216 addresses) |
| Address range | 30:B3:A2:00:00:00 – 30:B3:A2:FF:FF:FF |
| Notations | 30:B3:A2:00:00:0030-B3-A2-00-00-0030b3.a200.000030B3A2000000 |
Frequently asked questions
Which vendor does MAC address 30:B3:A2 belong to?
MAC addresses starting with 30:B3:A2 are assigned to Shenzhen Heguang Measurement & Control Technology Co.,Ltd according to the IEEE registry (prefix length 24 bits).
How many addresses does block 30:B3:A2 contain?
The block contains 16,777,216 addresses from 30:B3:A2:00:00:00 to 30:B3:A2:FF:FF:FF.
Is 30:B3:A2 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.