Otis Technology and Development(Shanghai) Co., Ltd. - MAC Prefix 8C1F64791 (MA-S)

What this means

The IEEE assigned the MA-S block 8C1F64791 to Otis Technology and Development(Shanghai) Co., 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 8C:1F:64:79:1, it is Otis Technology and Development(Shanghai) Co., Ltd. hardware.

Frequently Asked Questions

Who owns MAC prefix 8C1F64791?

8C1F64791 is registered to Otis Technology and Development(Shanghai) Co., Ltd. in the IEEE MA-S registry.

What does the MA-S registry type mean?

An MA-S assignment, formerly called OUI-36, covers 36 bits, giving the vendor 4,096 device addresses, the smallest block the IEEE issues. Otis Technology and Development(Shanghai) Co., Ltd.'s block covers 4,096 addresses.

What devices use 8C1F64791?

Any network device with a MAC address starting 8C:1F:64:79:1 was manufactured by or for Otis Technology and Development(Shanghai) Co., Ltd..

OUI prefix	8C1F64791
Vendor	Otis Technology and Development(Shanghai) Co., Ltd.
Registry	MA-S (36-bit, small block)
Block size	4,096 addresses
Country	CN
Other blocks by this vendor	1 total
Example MAC	8C:1F:64:79:1:00:00:00