What this means
The IEEE assigned the MA-L block 04DEDB to Rockport Networks 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 04:DE:DB, it is Rockport Networks Inc hardware.
Frequently Asked Questions
Who owns MAC prefix 04DEDB?
04DEDB is registered to Rockport Networks 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. Rockport Networks Inc's block covers 16,777,216 addresses.
What devices use 04DEDB?
Any network device with a MAC address starting 04:DE:DB was manufactured by or for Rockport Networks Inc.