Who owns MAC prefix 7866A5?

7866A5 is registered to Chipsea Technologies (Shenzhen) Crop. in the IEEE MA-L registry.

What devices use 7866A5?

Any network device with a MAC address starting 78:66:A5 was manufactured by or for Chipsea Technologies (Shenzhen) Crop..

MA-L · OUI prefix

Chipsea Technologies (Shenzhen) Crop.

Any MAC address starting 78:66:A5 is registered to Chipsea Technologies (Shenzhen) Crop. in CN.

OUI prefix	7866A5
Vendor	Chipsea Technologies (Shenzhen) Crop.
Registry	MA-L (24-bit, large block)
Country	CN
Example MAC	78:66:A5:00:00:00

What this means

The IEEE assigned the MA-L block 7866A5 to Chipsea Technologies (Shenzhen) Crop.. 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 78:66:A5, it is Chipsea Technologies (Shenzhen) Crop. hardware.

Other Chipsea Technologies (Shenzhen) Crop. prefixes

Chipsea Technologies (Shenzhen) Crop. holds 8 registered blocks in total.

4C6CA1 6065F4 84D303 98F67A E0D38E F02C59 F8F2F0

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