MAC prefix 30:2B:DC
Top-Unum Electronics Co., LTD
| Vendor | Top-Unum Electronics Co., LTD |
|---|---|
| Short name | TopUnumElect |
| Prefix | 30:2B:DC/24 |
| Block type | MA-L (/24, 16,777,216 addresses) |
| Address range | 30:2B:DC:00:00:00 – 30:2B:DC:FF:FF:FF |
| Notations | 30:2B:DC:00:00:0030-2B-DC-00-00-00302b.dc00.0000302BDC000000 |
Frequently asked questions
Which vendor does MAC address 30:2B:DC belong to?
MAC addresses starting with 30:2B:DC are assigned to Top-Unum Electronics Co., LTD according to the IEEE registry (prefix length 24 bits).
How many addresses does block 30:2B:DC contain?
The block contains 16,777,216 addresses from 30:2B:DC:00:00:00 to 30:2B:DC:FF:FF:FF.
Is 30:2B:DC 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.