What devices use 0003BF?

Any network device with a MAC address starting 00:03:BF was manufactured by or for Centerpoint Broadband Technologies, Inc..

MA-L · OUI prefix

Centerpoint Broadband Technologies, Inc.

Q: Who owns MAC prefix 0003BF?

0003BF is registered to Centerpoint Broadband Technologies, Inc. in the IEEE MA-L registry.

Any MAC address starting 00:03:BF is registered to Centerpoint Broadband Technologies, Inc. in US.

OUI prefix	0003BF
Vendor	Centerpoint Broadband Technologies, Inc.
Registry	MA-L (24-bit, large block)
Country	US
Example MAC	00:03:BF:00:00:00

What this means

The IEEE assigned the MA-L block 0003BF to Centerpoint Broadband Technologies, Inc.. 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 00:03:BF, it is Centerpoint Broadband Technologies, Inc. hardware.

Look up another MAC