OUI Lookup
84a991
Cyber Trans Japan Co.,Ltd.
Manufacturer Information
- OUI Prefix
- 84a991
- Manufacturer
- Cyber Trans Japan Co.,Ltd.
- Address
- Setagaya-ku Tokyo JP 155-0031
- Last updated
- 6/10/2026
Vendor Statistics
- Total prefixes
- 1
- Block type
- MA-L
- Available addresses
- ~16 millones
About prefix 84A991
The OUI prefix 84A991 is assigned to Cyber Trans Japan Co.,Ltd., based in Setagaya-ku Tokyo JP 155-0031 . 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 Cyber Trans Japan Co.,Ltd..