MAC prefix 00:7B:18
SENTRY Co., LTD.
| Vendor | SENTRY Co., LTD. |
|---|---|
| Short name | SENTRY |
| Prefix | 00:7B:18/24 |
| Block type | MA-L (/24, 16,777,216 addresses) |
| Address range | 00:7B:18:00:00:00 – 00:7B:18:FF:FF:FF |
| Notations | 00:7B:18:00:00:0000-7B-18-00-00-00007b.1800.0000007B18000000 |
Frequently asked questions
Which vendor does MAC address 00:7B:18 belong to?
MAC addresses starting with 00:7B:18 are assigned to SENTRY Co., LTD. according to the IEEE registry (prefix length 24 bits).
How many addresses does block 00:7B:18 contain?
The block contains 16,777,216 addresses from 00:7B:18:00:00:00 to 00:7B:18:FF:FF:FF.
Is 00:7B:18 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.