What this means
The IEEE assigned the MA-L block 001820 to w5networks. 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 00:18:20, it is w5networks hardware.
Frequently Asked Questions
Who owns MAC prefix 001820?
001820 is registered to w5networks 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. w5networks's block covers 16,777,216 addresses.
What devices use 001820?
Any network device with a MAC address starting 00:18:20 was manufactured by or for w5networks.