Who owns MAC prefix 001E1D?

001E1D is registered to East Coast Datacom, Inc. in the IEEE MA-L registry.

What devices use 001E1D?

Any network device with a MAC address starting 00:1E:1D was manufactured by or for East Coast Datacom, Inc..

MA-L · OUI prefix

East Coast Datacom, Inc.

Any MAC address starting 00:1E:1D is registered to East Coast Datacom, Inc. in US.

OUI prefix	001E1D
Vendor	East Coast Datacom, Inc.
Registry	MA-L (24-bit, large block)
Country	US
Example MAC	00:1E:1D:00:00:00

What this means

The IEEE assigned the MA-L block 001E1D to East Coast Datacom, 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 00:1E:1D, it is East Coast Datacom, Inc. hardware.

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