OUI Lookup
b838ca
Kyokko Tsushin System CO.,LTD
Manufacturer Information
- OUI Prefix
- b838ca
- Manufacturer
- Kyokko Tsushin System CO.,LTD
- Address
- 2-25-7 sakado,Takatsu-ku Kawasaki Kanagawa JP 213-0012
- Last updated
- 6/8/2026
Vendor Statistics
- Total prefixes
- 1
- Block type
- MA-L
- Available addresses
- ~16 millones
About prefix B838CA
The OUI prefix B838CA is assigned to Kyokko Tsushin System CO.,LTD, based in 2-25-7 sakado,Takatsu-ku Kawasaki Kanagawa JP 213-0012 . 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 Kyokko Tsushin System CO.,LTD.