What this means
The IEEE assigned the MA-L block 681D64 to Sunwave Communications 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 68:1D:64, it is Sunwave Communications Co., Ltd hardware.
Frequently Asked Questions
Who owns MAC prefix 681D64?
681D64 is registered to Sunwave Communications 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. Sunwave Communications Co., Ltd's block covers 16,777,216 addresses.
What devices use 681D64?
Any network device with a MAC address starting 68:1D:64 was manufactured by or for Sunwave Communications Co., Ltd.