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.
Frequently Asked Questions
Who owns MAC prefix 001E1D?
001E1D is registered to East Coast Datacom, Inc. in the IEEE MA-L registry.
What does the MA-L registry type mean?
An MA-L assignment, the IEEE's original OUI format, gives the vendor the first three octets and 16,777,216 device addresses under them. East Coast Datacom, Inc.'s block covers 16,777,216 addresses.
What devices use 001E1D?
Any network device with a MAC address starting 00:1E:1D was manufactured by or for East Coast Datacom, Inc..