OUI Lookup
28656b
Keystone Microtech Corporation
Manufacturer Information
- OUI Prefix
- 28656b
- Manufacturer
- Keystone Microtech Corporation
- Address
- 9F., No.255, Dong Sec. 1, Jhubei City, Hsinchu County TW 302
- Last updated
- 6/14/2026
Vendor Statistics
- Total prefixes
- 1
- Block type
- MA-L
- Available addresses
- ~16 millones
About prefix 28656B
The OUI prefix 28656B is assigned to Keystone Microtech Corporation, based in 9F., No.255, Dong Sec. 1, Jhubei City, Hsinchu County TW 302 . It is a MA-L type block of 24 bits (first three octets). Allows up to 16 million unique MAC addresses. If you find this prefix on your network, the devices belong to Keystone Microtech Corporation.