OUI Lookup
000b39
Keisoku Giken Co.,Ltd.
Manufacturer Information
- OUI Prefix
- 000b39
- Manufacturer
- Keisoku Giken Co.,Ltd.
- Address
- Tsuzuki-ku Yokohama Kanagawa JP 224-0037
- Last updated
- 6/8/2026
Vendor Statistics
- Total prefixes
- 1
- Block type
- MA-L
- Available addresses
- ~16 millones
About prefix 000B39
The OUI prefix 000B39 is assigned to Keisoku Giken Co.,Ltd., based in Tsuzuki-ku Yokohama Kanagawa JP 224-0037 . 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 Keisoku Giken Co.,Ltd..