MAC prefix 30:B3:46
Cjsc Norsi-Trans
| Vendor | Cjsc Norsi-Trans |
|---|---|
| Short name | CjscNorsiTra |
| Prefix | 30:B3:46/24 |
| Block type | MA-L (/24, 16,777,216 addresses) |
| Address range | 30:B3:46:00:00:00 – 30:B3:46:FF:FF:FF |
| Notations | 30:B3:46:00:00:0030-B3-46-00-00-0030b3.4600.000030B346000000 |
Frequently asked questions
Which vendor does MAC address 30:B3:46 belong to?
MAC addresses starting with 30:B3:46 are assigned to Cjsc Norsi-Trans according to the IEEE registry (prefix length 24 bits).
How many addresses does block 30:B3:46 contain?
The block contains 16,777,216 addresses from 30:B3:46:00:00:00 to 30:B3:46:FF:FF:FF.
Is 30:B3:46 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.