What this means
The IEEE assigned the MA-L block 000637 to Toptrend-Meta Information (ShenZhen) Inc.. 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 00:06:37, it is Toptrend-Meta Information (ShenZhen) Inc. hardware.
Frequently Asked Questions
Who owns MAC prefix 000637?
000637 is registered to Toptrend-Meta Information (ShenZhen) Inc. 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. Toptrend-Meta Information (ShenZhen) Inc.'s block covers 16,777,216 addresses.
What devices use 000637?
Any network device with a MAC address starting 00:06:37 was manufactured by or for Toptrend-Meta Information (ShenZhen) Inc..