MAC prefix 80:42:7C
Adolf Tedsen GmbH & Co. KG
| Vendor | Adolf Tedsen GmbH & Co. KG |
|---|---|
| Short name | AdolfTedsen |
| Prefix | 80:42:7C/24 |
| Block type | MA-L (/24, 16,777,216 addresses) |
| Address range | 80:42:7C:00:00:00 – 80:42:7C:FF:FF:FF |
| Notations | 80:42:7C:00:00:0080-42-7C-00-00-008042.7c00.000080427C000000 |
Frequently asked questions
Which vendor does MAC address 80:42:7C belong to?
MAC addresses starting with 80:42:7C are assigned to Adolf Tedsen GmbH & Co. KG according to the IEEE registry (prefix length 24 bits).
How many addresses does block 80:42:7C contain?
The block contains 16,777,216 addresses from 80:42:7C:00:00:00 to 80:42:7C:FF:FF:FF.
Is 80:42:7C 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.