Who owns MAC prefix E03C1C9?

E03C1C9 is registered to Ocamar Technologies (Shanghai) Co.,Ltd. in the IEEE MA-M registry.

What devices use E03C1C9?

Any network device with a MAC address starting E0:3C:1C:9 was manufactured by or for Ocamar Technologies (Shanghai) Co.,Ltd..

MA-M · OUI prefix

Ocamar Technologies (Shanghai) Co.,Ltd.

Any MAC address starting E0:3C:1C:9 is registered to Ocamar Technologies (Shanghai) Co.,Ltd. in CN.

OUI prefix	E03C1C9
Vendor	Ocamar Technologies (Shanghai) Co.,Ltd.
Registry	MA-M (28-bit, medium block)
Country	CN
Example MAC	E0:3C:1C:9:00:00:00

What this means

The IEEE assigned the MA-M block E03C1C9 to Ocamar Technologies (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 E0:3C:1C:9, it is Ocamar Technologies (Shanghai) Co.,Ltd. hardware.

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