What this means
The IEEE assigned the MA-L block 00033F to BigBand Networks, Ltd.. 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 00:03:3F, it is BigBand Networks, Ltd. hardware.
Frequently Asked Questions
Who owns MAC prefix 00033F?
00033F is registered to BigBand Networks, Ltd. 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. BigBand Networks, Ltd.'s block covers 16,777,216 addresses.
What devices use 00033F?
Any network device with a MAC address starting 00:03:3F was manufactured by or for BigBand Networks, Ltd..