MAC prefix 00:23:79
Union Business Machines Co. Ltd.
| Vendor | Union Business Machines Co. Ltd. |
|---|---|
| Short name | UnionBusines |
| Prefix | 00:23:79/24 |
| Block type | MA-L (/24, 16,777,216 addresses) |
| Address range | 00:23:79:00:00:00 – 00:23:79:FF:FF:FF |
| Notations | 00:23:79:00:00:0000-23-79-00-00-000023.7900.0000002379000000 |
Frequently asked questions
Which vendor does MAC address 00:23:79 belong to?
MAC addresses starting with 00:23:79 are assigned to Union Business Machines Co. Ltd. according to the IEEE registry (prefix length 24 bits).
How many addresses does block 00:23:79 contain?
The block contains 16,777,216 addresses from 00:23:79:00:00:00 to 00:23:79:FF:FF:FF.
Is 00:23:79 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.