Who owns MAC prefix 00217C?

00217C is registered to 2Wire Inc in the IEEE MA-L registry.

What devices use 00217C?

Any network device with a MAC address starting 00:21:7C was manufactured by or for 2Wire Inc.

MA-L · OUI prefix

2Wire Inc

Any MAC address starting 00:21:7C is registered to 2Wire Inc in US.

OUI prefix	00217C
Vendor	2Wire Inc
Registry	MA-L (24-bit, large block)
Country	US
Example MAC	00:21:7C:00:00:00

What this means

The IEEE assigned the MA-L block 00217C to 2Wire Inc. 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 00:21:7C, it is 2Wire Inc hardware.

Other 2Wire Inc prefixes

2Wire Inc holds 34 registered blocks in total.

000D72 001288 001495 00183F 0019E4 001AC4 001B5B 001D5A 001EC7 001FB3 0022A4 002351 all 34 »

Look up another MAC