Who owns MAC prefix 0013C7?

0013C7 is registered to IONOS Co.,Ltd. in the IEEE MA-L registry.

What devices use 0013C7?

Any network device with a MAC address starting 00:13:C7 was manufactured by or for IONOS Co.,Ltd..

MA-L · OUI prefix

IONOS Co.,Ltd.

Any MAC address starting 00:13:C7 is registered to IONOS Co.,Ltd. in JP.

OUI prefix	0013C7
Vendor	IONOS Co.,Ltd.
Registry	MA-L (24-bit, large block)
Country	JP
Example MAC	00:13:C7:00:00:00

What this means

The IEEE assigned the MA-L block 0013C7 to IONOS 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 00:13:C7, it is IONOS Co.,Ltd. hardware.

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