OUI Lookup
004059
YOSHIDA KOGYO K. K.
Manufacturer Information
- OUI Prefix
- 004059
- Manufacturer
- YOSHIDA KOGYO K. K.
- Address
- TECHNICAL RESEARCH DEPT. 939 JP
- Last updated
- 6/11/2026
Vendor Statistics
- Total prefixes
- 1
- Block type
- MA-L
- Available addresses
- ~16 millones
About prefix 004059
The OUI prefix 004059 is assigned to YOSHIDA KOGYO K. K., based in TECHNICAL RESEARCH DEPT. 939 JP . 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 YOSHIDA KOGYO K. K..