Who owns MAC prefix 0021E7?

0021E7 is registered to Informatics Services Corporation in the IEEE MA-L registry.

What devices use 0021E7?

Any network device with a MAC address starting 00:21:E7 was manufactured by or for Informatics Services Corporation.

MA-L · OUI prefix

Informatics Services Corporation

Any MAC address starting 00:21:E7 is registered to Informatics Services Corporation in IR.

OUI prefix	0021E7
Vendor	Informatics Services Corporation
Registry	MA-L (24-bit, large block)
Country	IR
Example MAC	00:21:E7:00:00:00

What this means

The IEEE assigned the MA-L block 0021E7 to Informatics Services Corporation. 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 00:21:E7, it is Informatics Services Corporation hardware.

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