What this means
The IEEE assigned the MA-L block 1816E8 to Siliconware Precision Industries Co., Ltd.. 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 18:16:E8, it is Siliconware Precision Industries Co., Ltd. hardware.
Frequently Asked Questions
Who owns MAC prefix 1816E8?
1816E8 is registered to Siliconware Precision Industries Co., Ltd. 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. Siliconware Precision Industries Co., Ltd.'s block covers 16,777,216 addresses.
What devices use 1816E8?
Any network device with a MAC address starting 18:16:E8 was manufactured by or for Siliconware Precision Industries Co., Ltd..