What this means
The IEEE assigned the MA-L block 004065 to GTE SPACENET. 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 00:40:65, it is GTE SPACENET hardware.
Frequently Asked Questions
Who owns MAC prefix 004065?
004065 is registered to GTE SPACENET 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. GTE SPACENET's block covers 16,777,216 addresses.
What devices use 004065?
Any network device with a MAC address starting 00:40:65 was manufactured by or for GTE SPACENET.