MAC prefix 3C:42:7E:5
Geoplan Korea
| Vendor | Geoplan Korea |
|---|---|
| Short name | GeoplanKorea |
| Prefix | 3C:42:7E:5/28 |
| Block type | MA-M (/28, 1,048,576 addresses) |
| Address range | 3C:42:7E:50:00:00 – 3C:42:7E:5F:FF:FF |
| Notations | 3C:42:7E:50:00:003C-42-7E-50-00-003c42.7e50.00003C427E500000 |
Frequently asked questions
Which vendor does MAC address 3C:42:7E:5 belong to?
MAC addresses starting with 3C:42:7E:5 are assigned to Geoplan Korea according to the IEEE registry (prefix length 28 bits).
How many addresses does block 3C:42:7E:5 contain?
The block contains 1,048,576 addresses from 3C:42:7E:50:00:00 to 3C:42:7E:5F:FF:FF.
Is 3C:42:7E:5 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.