Who owns MAC prefix 0030B9?

0030B9 is registered to ECTEL in the IEEE MA-L registry.

What devices use 0030B9?

Any network device with a MAC address starting 00:30:B9 was manufactured by or for ECTEL.

MA-L · OUI prefix

ECTEL

Any MAC address starting 00:30:B9 is registered to ECTEL in US.

OUI prefix	0030B9
Vendor	ECTEL
Registry	MA-L (24-bit, large block)
Country	US
Example MAC	00:30:B9:00:00:00

What this means

The IEEE assigned the MA-L block 0030B9 to ECTEL. Every network interface they manufacture under this block has a MAC address beginning with these digits, followed by a unique per-device identifier. If a device on your network shows a MAC starting 00:30:B9, it is ECTEL hardware.

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