What this means
The IEEE assigned the MA-L block 001439 to Blonder Tongue Laboratories, 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 00:14:39, it is Blonder Tongue Laboratories, Inc hardware.
Frequently Asked Questions
Who owns MAC prefix 001439?
001439 is registered to Blonder Tongue Laboratories, 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. Blonder Tongue Laboratories, Inc's block covers 16,777,216 addresses.
What devices use 001439?
Any network device with a MAC address starting 00:14:39 was manufactured by or for Blonder Tongue Laboratories, Inc.