What this means
The IEEE assigned the MA-L block 001975 to Beijing Huisen networks technology 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 00:19:75, it is Beijing Huisen networks technology Inc hardware.
Frequently Asked Questions
Who owns MAC prefix 001975?
001975 is registered to Beijing Huisen networks technology 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. Beijing Huisen networks technology Inc's block covers 16,777,216 addresses.
What devices use 001975?
Any network device with a MAC address starting 00:19:75 was manufactured by or for Beijing Huisen networks technology Inc.