Who owns MAC prefix 001CDC?

001CDC is registered to Custom Computer Services, Inc. in the IEEE MA-L registry.

What devices use 001CDC?

Any network device with a MAC address starting 00:1C:DC was manufactured by or for Custom Computer Services, Inc..

MA-L · OUI prefix

Custom Computer Services, Inc.

Any MAC address starting 00:1C:DC is registered to Custom Computer Services, Inc. in US.

OUI prefix	001CDC
Vendor	Custom Computer Services, Inc.
Registry	MA-L (24-bit, large block)
Country	US
Example MAC	00:1C:DC:00:00:00

What this means

The IEEE assigned the MA-L block 001CDC to Custom Computer Services, 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 00:1C:DC, it is Custom Computer Services, Inc. hardware.

Look up another MAC