What this means
The IEEE assigned the MA-L block E02636 to Nortel Networks. 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 E0:26:36, it is Nortel Networks hardware.
Frequently Asked Questions
Who owns MAC prefix E02636?
E02636 is registered to Nortel Networks 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. Nortel Networks's block covers 16,777,216 addresses.
What devices use E02636?
Any network device with a MAC address starting E0:26:36 was manufactured by or for Nortel Networks.