OUI Lookup
04bfa8
ISB Corporation
Manufacturer Information
- OUI Prefix
- 04bfa8
- Manufacturer
- ISB Corporation
- Address
- 1-2-1 Shinyokohama, Kohoku-ku Yokohama Kanagawa JP 222-0033
- Last updated
- 6/8/2026
Vendor Statistics
- Total prefixes
- 1
- Block type
- MA-L
- Available addresses
- ~16 millones
About prefix 04BFA8
The OUI prefix 04BFA8 is assigned to ISB Corporation, based in 1-2-1 Shinyokohama, Kohoku-ku Yokohama Kanagawa JP 222-0033 . 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 ISB Corporation.