What this means
The IEEE assigned the MA-L block 90F1B0 to Hangzhou Anheng Info&Tech 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 90:F1:B0, it is Hangzhou Anheng Info&Tech CO.,LTD hardware.
Frequently Asked Questions
Who owns MAC prefix 90F1B0?
90F1B0 is registered to Hangzhou Anheng Info&Tech 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. Hangzhou Anheng Info&Tech CO.,LTD's block covers 16,777,216 addresses.
What devices use 90F1B0?
Any network device with a MAC address starting 90:F1:B0 was manufactured by or for Hangzhou Anheng Info&Tech CO.,LTD.