MAC prefix 30:09:F9:C
| Vendor | Honeywell |
|---|---|
| Prefix | 30:09:F9:C/28 |
| Block type | MA-M (/28, 1,048,576 addresses) |
| Address range | 30:09:F9:C0:00:00 – 30:09:F9:CF:FF:FF |
| Notations | 30:09:F9:C0:00:0030-09-F9-C0-00-003009.f9c0.00003009F9C00000 |
Frequently asked questions
Which vendor does MAC address 30:09:F9:C belong to?
MAC addresses starting with 30:09:F9:C are assigned to Honeywell according to the IEEE registry (prefix length 28 bits).
How many addresses does block 30:09:F9:C contain?
The block contains 1,048,576 addresses from 30:09:F9:C0:00:00 to 30:09:F9:CF:FF:FF.
Is 30:09:F9:C 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.
Which other MAC prefixes does Honeywell have?
Honeywell holds 17 registered prefixes in total – the full list is on the vendor page.