Who owns MAC prefix 001A5B?

001A5B is registered to NetCare Service Co., Ltd. in the IEEE MA-L registry.

What devices use 001A5B?

Any network device with a MAC address starting 00:1A:5B was manufactured by or for NetCare Service Co., Ltd..

MA-L · OUI prefix

NetCare Service Co., Ltd.

Any MAC address starting 00:1A:5B is registered to NetCare Service Co., Ltd. in JP.

OUI prefix	001A5B
Vendor	NetCare Service Co., Ltd.
Registry	MA-L (24-bit, large block)
Country	JP
Example MAC	00:1A:5B:00:00:00

What this means

The IEEE assigned the MA-L block 001A5B to NetCare Service 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 00:1A:5B, it is NetCare Service Co., Ltd. hardware.

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