OUI Lookup
509f3b
OI ELECTRIC CO.,LTD
Manufacturer Information
- OUI Prefix
- 509f3b
- Manufacturer
- OI ELECTRIC CO.,LTD
- Address
- 7-3-16 KIKUNA YOKOHAMA KANAGAWA-KEN JP 222-0011
- Last updated
- 6/11/2026
Vendor Statistics
- Total prefixes
- 5
- Block type
- MA-L
- Available addresses
- ~16 millones
About prefix 509F3B
The OUI prefix 509F3B is assigned to OI ELECTRIC CO.,LTD, based in 7-3-16 KIKUNA YOKOHAMA KANAGAWA-KEN JP 222-0011 . 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 OI ELECTRIC CO.,LTD.