What this means
The IEEE assigned the MA-M block 381F263 to Bosch Automotive Electronics India Pvt. Ltd.. 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 38:1F:26:3, it is Bosch Automotive Electronics India Pvt. Ltd. hardware.
Frequently Asked Questions
Who owns MAC prefix 381F263?
381F263 is registered to Bosch Automotive Electronics India Pvt. Ltd. in the IEEE MA-M registry.
What does the MA-M registry type mean?
An MA-M assignment covers 28 bits of the address, giving the vendor 1,048,576 device addresses, a quarter of a full MA-L block. Bosch Automotive Electronics India Pvt. Ltd.'s block covers 1,048,576 addresses.
What devices use 381F263?
Any network device with a MAC address starting 38:1F:26:3 was manufactured by or for Bosch Automotive Electronics India Pvt. Ltd..