What this means
The IEEE assigned the MA-L block 0013B8 to RyCo Electronic Systems Limited. 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 00:13:B8, it is RyCo Electronic Systems Limited hardware.
Frequently Asked Questions
Who owns MAC prefix 0013B8?
0013B8 is registered to RyCo Electronic Systems Limited 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. RyCo Electronic Systems Limited's block covers 16,777,216 addresses.
What devices use 0013B8?
Any network device with a MAC address starting 00:13:B8 was manufactured by or for RyCo Electronic Systems Limited.