OUI Lookup
0004b8
Kumahira Co., Ltd.
Manufacturer Information
- OUI Prefix
- 0004b8
- Manufacturer
- Kumahira Co., Ltd.
- Address
- 4-34 Ujinahigashi 2-Chome JAPAN JP 734-8567
- Last updated
- 6/8/2026
Vendor Statistics
- Total prefixes
- 1
- Block type
- MA-L
- Available addresses
- ~16 millones
About prefix 0004B8
The OUI prefix 0004B8 is assigned to Kumahira Co., Ltd., based in 4-34 Ujinahigashi 2-Chome JAPAN JP 734-8567 . 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 Kumahira Co., Ltd..