What this means
The IEEE assigned the MA-L block 0030E1 to Network Equipment Technologies, 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 00:30:E1, it is Network Equipment Technologies, Inc. hardware.
Frequently Asked Questions
Who owns MAC prefix 0030E1?
0030E1 is registered to Network Equipment Technologies, 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. Network Equipment Technologies, Inc.'s block covers 16,777,216 addresses.
What devices use 0030E1?
Any network device with a MAC address starting 00:30:E1 was manufactured by or for Network Equipment Technologies, Inc..