What this means
The IEEE assigned the MA-L block 0003DE to OTC Wireless. 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 00:03:DE, it is OTC Wireless hardware.
Frequently Asked Questions
Who owns MAC prefix 0003DE?
0003DE is registered to OTC Wireless 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. OTC Wireless's block covers 16,777,216 addresses.
What devices use 0003DE?
Any network device with a MAC address starting 00:03:DE was manufactured by or for OTC Wireless.